Term
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Definition
nonsteroidal terpenoid produced by corpora allata (glands posterior to brain) behavioral roles: induces behavior of sex pheromone production, caste differentiation in social insects, parental care |
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Term
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Definition
steroid secreted by prothoracic glands regulates molting (shedding of exoskeleton/exdysis) and egg production |
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Term
prothoracitropic hormone (PTTH) |
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Definition
peptide produced by brain stimulates prothoracic glands to secrete ecdysone |
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Term
which stage of the molt cycle is stimulated under the following contidions: -high JH -low/diminished JH -no JH |
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Definition
-another larval stage -pupal stage -adult stage |
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Term
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Definition
chemical messenger between individuals of the same species |
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Term
name the sensory systems in animals |
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Definition
-vision -sound -thermal perception -chemoreception -mechanoreception -electroreception |
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Term
monochromatic vision (definition) |
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Definition
a common vision type in animals that are active only at dawn/dusk; contains only one receptor for detection of presence/absence of light |
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Term
perception of images depends on what? |
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Definition
the number of receptor cells per unit area of the retina |
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Term
flicker fusion (definition) |
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Definition
how rapidly an animal can process motion as separate images, similar to the shutter speed on a camera |
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Term
which of the sensory systems is able to move through a vacuum? |
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Definition
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Term
T/F: sound travels more slowly in a denser medium |
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Definition
FALSE: sound travels more quickly in a denser medium |
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Term
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Definition
the energy incorporated into sound; what we perceive as "loudness" |
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Term
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Definition
using a high frequency/low wavelength sound to perceive surroundings such a sound is likely to bounce off of objects instead of traveling around them |
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Term
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Definition
low frequency sounds that can travel well in the ground are used for communication between animals the receptor should be large - infrasound is used by elephants to communicate |
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Term
give an example of thermal perception |
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Definition
pit vipers have a "pit organ" near the nose that senses infrared radiation; this can pick up a source of heat especially against a cool background |
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Term
mechanoreception involves what structure? |
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Definition
a pressure-sensitive nerve cell |
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Term
give an example of mechanoreception |
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Definition
the "lateral line" in fish, responsive to water pressure |
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Term
electroreception is common in what kinds of animals and why? |
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Definition
fish and amphibians, stimulated by the need in water environments |
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Term
the modern approach to behavioral development/learning includes what two concepts? which schools of thought support each concept? |
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Definition
- recognition of general principles of learning (behaviorism) - species-specific limitations on learning; innate tendencies to learn certain things (ethnology) |
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Term
in evolutionary context, learning can be an example of _______ |
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Definition
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Term
T/F: once learned, all behaviors are equally plastic |
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Definition
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Term
canalization (definition) |
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Definition
the degree to which the development of a trait is resistant to modification by experience and the environment |
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Term
sensitive periods in behavioral development |
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Definition
periods when certain experiences have a maximum effect on behavioral development |
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Term
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Definition
learning restricted to a relatively short period of an individual's life |
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Term
social imprinting (definition) |
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Definition
learning appropriate objects for social responses |
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Term
what are the four types of social imprinting? |
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Definition
- filial: process by which young animals become socially bonded to their parents - species: learning process by which the young become socialized to their species - olfactory: imprinting based on a scent; in some cases this can happen before birth - auditory |
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Term
give an example of filial imprinting |
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Definition
precocial birds have a tendency to follow their parents around soon after birth |
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Term
T/F: imprinting is irreversible once set |
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Definition
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Term
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Definition
loss of fear due to repeated exposure |
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Term
T/F: imprinting is a preference rather than an exclusive response |
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Definition
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Term
mate recognition/conspecifics (definition) |
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Definition
the preference for mating in members of the same species; the basis of reproductive isolation |
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Term
give an example of mate recognition and explain how it relates to imprinting |
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Definition
by imprinting on their mother, male mallards have an image of what type of animal to court when older. female mallards are more interested in males that are interested in/attempt to court them, even if they are raised isolated from other members of their species. |
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Term
give an example of olfactory imprinting |
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Definition
rats become imprinted to their mothers due to the scent of citrol introduced to them while in the womb. newly born rats can find their mother using this scent before their eyes open |
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Term
give an example of auditory imprinting |
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Definition
songs in crown sparrows develop 30-50 days after hatching if a live tutor is used for imprinting, compared to ~100 days if the hatchlings learn via recorded tunes |
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Term
auditory feedback (definition) |
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Definition
an important learning method where the animal learns by hearing itself |
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Term
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Definition
a relatively permanent change in response over time as a result of practice or experience |
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Term
what are the five factors that affect learning ability? |
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Definition
- temperment/emotional reactivity: the concept that animals that are more emotionally reactive will learn more slowly - motivation to explore: species differ with regards to exploratory tendencies - motivation for rewards: learning occurs more rapidly when animals are motivated to receive rewards - structural/sensory biases - psychological biases |
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Term
give an example of temperment/emotional reactivity in animals as it pertains to learning |
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Definition
lab rats are better than wild rats at learning in an experimental setting, as they are more tame and less fearful |
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Term
give an example of how motivation to explore affects learning |
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Definition
domestic goats are more likely to explore than domestic sheep are, perhaps due to their evolutionary niche |
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Term
reinforcement (definition) |
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Definition
factors, events, or experiences that increase the likelihood that a behavior will occur |
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Term
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Definition
giving the animal something it wants |
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Term
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Definition
removing something that the animal doesnt want |
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Term
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Definition
factors, events, or experiences that decrease the likelihood that a behavior will occur |
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Term
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Definition
adding something adverse/unpleasant to decrease the likelihood of the behavior |
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Term
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Definition
removing something the animal wants |
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Term
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Definition
persistent decrease in frequency and/or integrity of a response due to repeated stimulation in the absence of reinforcement/punishment |
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Term
classical conditioning (definition) |
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Definition
learning based on association of a previously neutral stimulus and a stimulus that elicits an unconditioned response |
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Term
operant conditioning (definition) |
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Definition
instrumental conditioning involving the voluntary responses controlled by the animal |
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Term
give an example of operant conditioning |
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Definition
ungulates initially try to suckle almost any object that encounters the muzzle. over time, milk stimulates positive reinforcement so that they suckle only on the mother |
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Term
operant rate (definition) |
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Definition
the frequency with which any behavior is exhibited |
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Term
how can the operant rate be increased or decreased? |
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Definition
through reinforcement or punishment presented during or soon after a response |
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Term
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Definition
an apparatus used by comparative psychologists to study operant conditioning |
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Term
what are the two types of reinforcers? |
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Definition
primary - have biological reinforcing properties secondary - arbitrary stimuli associated with primary reinforcers in space and time |
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Term
T/F: timing of the reinforcement or punishment is important in operant conditioning |
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Definition
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Term
conditioned taste aversion (definition) |
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Definition
when an animal associates the taste of a food with subsequent illness/nausea, even if the induced feelings don't occur right away |
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Term
T/F: conditioned taste aversion doesn't require the need for immediate reinforcement/punishment |
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Definition
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Term
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Definition
definitive list of behavioral repertoire of an animal species definitions of behaviors in a way that permits unambiguous classification |
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Term
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Definition
documentation of the proportion of time spent in each available activity |
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Term
T/F: time budgets can be compared across categories such as gender, seasons, habitats, etc |
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Definition
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Term
what major research questions do researchers use in regards to behavioral rhythms? |
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Definition
- what is the role of the external environmental events on maintaining temporal rhythms of behavior/physiology? - what is the role of internal (endogenous) rhythms of molecular & physiological function that are independent of external influences? - where in the organism do endogenous rhythms originate? |
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Term
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Definition
periodic environmental events that control ("entrain") biological rhythms |
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Term
circannual rhythm (definition) |
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Definition
an endogenous rhythm of about a year; zeitgeber is naturally brought to phase with seasonal changes in day length or temperature, which sets the biological clock |
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Term
circadian rhythm (definition) |
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Definition
endogenous rhythm of about 24 hours the light cycle serves as a zeitgeber; in absence of light cycle, circadian rhythm will shift from original pattern |
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Term
T/F: adjusting circadian rhythm to a change in zeitgeber can take a long time |
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Definition
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Term
T/F: circadian rhythms can be set for cycles other than 24 hours |
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Definition
TRUE, [BUT] only if it is between 21-27 hours. cycles vastly different from 24 hours cannot be set to circadian rhythm |
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Term
what is circadian rhythm in mammals dependent on? |
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Definition
normal SCN functioning in the hypothalamus |
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Term
what does the SCN secrete and when? |
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Definition
"locomotor activity factor" at one L:D phase and "locomotor inhibitory factor" at another phase protein called prokinectin |
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Term
T/F: once the SCN from an animal is removed, the circadian rhythm cannot be restored |
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Definition
FALSE: grafting SCN cells from another host can restore circadian rhythm |
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Term
T/F: rod and cone cells are involved with circadian rhythm |
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Definition
FALSE: rod/cone cells are not involved, but "entraining light receptors" are used |
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Term
where are the light receptors for L:D cycle adaptation located in non-mammalian vertebrates? |
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Definition
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Term
what are some of the functions of the pineal gland? |
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Definition
maintaining biological rhythms in vertebrates secreting melatonin, which affects seasonal rhythms, mainly at night |
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Term
what important concept does habitat destruction highlight? |
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Definition
that animal species are incapable of adapting to new habitats if their original one is destroyed |
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Term
source population (definition) |
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Definition
an area where the population grows |
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Term
sink population (definition) |
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Definition
an area where the population declines usually habitats of poorer quality for the species |
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Term
T/F: individuals that inhabit sink populations are often able to move into a source population |
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Definition
FALSE: individuals in sink populations are unable to compete for access to better quality habitats |
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Term
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Definition
any area defended for some length of time |
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Term
what does territoriality allow for in individuals? |
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Definition
defense of portions of habitat and exclusion of other members of the same or sometimes different species |
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Term
give an example of mutually beneficial communication between species |
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Definition
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Term
communication (definition) |
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Definition
signal produced by an organism/sender that alters the probability of a behavior occurring in another organism/recipient in a manner adaptive to sender and sometimes to recipient |
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Term
what does communication depend on? |
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Definition
the structure or function of sense organs that differ among species |
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Term
what does the evolved signal function confer upon the organism and how? |
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Definition
selective advantage fitness advantage conferred by behavior |
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Term
what makes communication deceitful or manipulative? |
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Definition
it is advantageous to the sender but not the recipient |
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Term
what is an example of behaviors that are affected by non-communicative behaviors? |
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Definition
greedy eaters ("monkey see, monkey do") |
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Term
blind snakes following ant scent trails is an example of what? |
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Definition
an animal responding to signals emitted by another species for communication |
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Term
what is an example of an unintentional signal that isn't an action? |
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Definition
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Term
sensory modality - visual |
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Definition
signal range - medium range of transmission - fast flows around barrier - no fade out time - fast locatability of sender - easy risk of exploitation - high |
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Term
sensory modality - auditory |
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Definition
signal range - long rate of transmission - fast flow around barrier - yes fade out time - fast locatability of sender - fairly easy risk of exploitation - medium |
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Term
sensory modality - olfactory |
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Definition
signal range - long rate of transmission - slow flow around barrier - yes fade out time - slow locatability of sender - difficult risk of exploitation - low |
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Term
sensory modality - tactile |
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Definition
signal range - very short rate of transmission - fast flow around barrier - no fade out time - fast locatability of sender - easy risk of exploitation - low |
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Term
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Definition
olfactory signals that have specific behavioral or physiological effects on conspecifics |
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Term
T/F: pheromones usually involve one compound that has multiple reactions with hormones |
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Definition
FALSE: pheromones generally involve more than one compound and have more complex reactions than hormones |
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Term
what two types of skin glands are found in mammals? |
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Definition
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Term
scent glands are modified _____ |
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Definition
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Term
where will glands be located on an animal? |
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Definition
different parts of the body based on the species common locations: groin, abdomen, head, anal, prepucial |
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Term
what kind of info can scent glands give about the animal? |
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Definition
sex, reproductive condition, dominance |
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Term
what are olfactory receptors? |
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Definition
cell-surface protein receptors on olfactory epithelium for detection of odorant molecules |
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Term
T/F: the human genome has more olfactory genes activated than the gorilla genome |
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Definition
FALSE: human genome - 70% inactivated gorilla genome - 50% inactivated |
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Term
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Definition
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Term
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Definition
falls on a continuum of varied intensity |
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Term
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Definition
when animals frequently communicate the same signal through multiple sensory modalities |
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Term
what is Darwin's Principle of Antithesis (expression of emotions in man and animals)? |
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Definition
when an animal reverses its motivation, the associated signals are also reversed |
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Term
what is mutualistic communication? |
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Definition
when communication is beneficial to both sender and receiver |
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Term
who proposed the idea of deceit communication?? |
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Definition
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Term
who proposed the "handicap principle"? |
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Definition
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Term
who proposed assessment/management communication? |
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Definition
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Term
what theories of communication were proposed by Zahavi? |
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Definition
natural selection should favor honest communication, being able to distinguish between truth and lies |
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Term
handicap principle (definition) |
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Definition
a reliable indicator that supports honest communication - a true fitness advantage would take more work to fake than the deceit would be worth |
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Term
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Definition
when each individual assesses the environment including behavior of conspecifics |
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Term
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Definition
when each individual tries to control the behavior of others |
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Term
what is a sensory system? |
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Definition
a set of sense organs that act as tranducers to convert various forms of energy in the environment into action potentials |
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Term
what is the path of chemoreception? |
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Definition
chemicals dissolve in fluid of a fluid-covered membrane --> the chemical itself or an intermediate chemical messenger binds a receptor --> action potential is induced |
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Term
where is chemosensory tissue found in insects? |
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Definition
specialized depressions on the animal's surface |
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Term
where is chemosensory tissue found in vertebrates? |
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Definition
olfactory epithelium taste buds jacobson's organ (roof of mouth for reptiles, mammals, amphibians) |
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Term
in mammals, Jacobson's organ is specifically sensitive to what? |
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Definition
pheromones, especially sexual |
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Term
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Definition
stereotyped or exaggerated posture assumed by mammals perceiving odors by means of jacobson's organ |
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Term
where does jacobson's organ connect in most vertebrates? in squamates? |
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Definition
vertebrates - nasal cavity squamates (lizards and snakes) - roof of mouth |
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Term
what is the path of light/visual perception? |
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Definition
retinal pigment absorbs photons, changes energy state --> change in protein conformation (opsin) --> depolarized cell |
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Term
which group of organisms have light-sensitive cells? |
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Definition
cnidaria (jellyfish, anemonies) and flatworms |
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Term
what is the structural difference between animals that have light perception and animals with vision perception? |
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Definition
animals with vision perception have their light sensitive cells concentrated on the retina (light-sensitive surface) light is focused on the retina by one or more lenses |
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Term
what kinds of light sensitive cells are found in vertebrates? |
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Definition
rods (low light) cones (high light) |
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Term
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Definition
the way we see the spectrum of light wavelengths |
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Term
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Definition
a combination of two or more wavelengths of light |
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