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Bio Lab
Some Thoughts About Ethology
43
Biology
Undergraduate 1
10/22/2012

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Term
Ethology
Definition
The study of animal behavior.
Term
What is at the heart of the modern approach to analysis of an animal's behavior?
Definition
The problem of description.
Term
What are two types of descriptions?
Definition
Empirical and functional.
Term
What was the example used to distinguish empirical from functional.
Definition
Bottles and their various functions. I.e. Milk bottle.
Term
You should describe on a ______________________, in an __________________, so that your observations may be __________________________.
Definition
strictly empirical basis, objective way, duplicated by others.
Term
The analysis of behavior falls into two categories of data:
Definition
describing and quantifying the data.
Term
What does one measure to quantify behavior?
Definition
Frequency and magnitude.
Term
Why is it sometimes better to record durations instead of frequencies?
Definition
Because some movements are too short, like the flutters of a hummingbird's wings.
Term
What will be done in all cases with your data?
Definition
It will be measured in a quantitative manner.
Term
What are the categories of responses?
Definition
Simple physiological responses, simple mechanical adjustments, multi-step response patterns and modified response patterns.
Term
Simple physiological responses
Definition
Most responses, like the ability to modify transpiration rates in plants or blinking in animals.
Term
Simple mechanical adjustments
Definition
Changes in body orientation or movement of the organism.
Term
Simple mechanical adjustments may be classified as
Definition
Positive (toward) or negative (away) from the source of the stimulus.
Term
What are the three types of simple mechanical adjustments?
Definition
Tropisms, Taxis, Kinesis.
Term
Tropisms
Definition
Turning movements of either major parts or the entire organism.
Term
Taxis
Definition
Movement of animals towards, away from, or at angles to the stimulus.
Term
Kinesis
Definition
Wandering or random movement from an intense stimulus.
Term
Heat Taxis
Definition
Thermotaxis
Term
Light Taxis
Definition
Phototaxis
Term
Touch Taxis
Definition
Thigmotaxis
Term
Moisture Taxis
Definition
Hydrotaxis
Term
Gravity Taxis
Definition
Geotaxis
Term
Chemical Taxis
Definition
Chemotaxis
Term
Multi-step response patterns
Definition
Complex behavior patterns with a set sequence.
Term
Modified response patterns
Definition
The generalization and improvisation of movements of higher vertebrates species
Term
What must one be careful about in regards to modified response patterns?
Definition
To not anthropomorphize animals behavior.
Term
What organisms are being studied in this lab?
Definition
Crickets, guppies, schooling fish, Brine shrimp.
Term
What is the difference between male and female crickets?
Definition
Females have long ovipositors extending out of their abdomens and males do not.
Term
What are two suggested topics for studying cricket behavior?
Definition
Territoriality and Sexual Behavior
Term
How is territoriality studied?
Definition
Set up a matchbox in the corner and introduce crickets.
Term
How is sexual behavior studied?
Definition
Expose a male cricket to a female cricket.
Term
What do male guppies look like?
Definition
Smaller, with enlarged, brightly colored tails.
Term
What do female guppies look like?
Definition
Larger in uniform silver color.
Term
What do pregnant guppies look like?
Definition
Swollen, with dark coloration anterior to the anal fin.
Term
Two behaviors that should be observed in males is:
Definition
The sigmoid display and the lowering of the male gonopodium.
Term
What should you never do to guppies?
Definition
Expose the to tap water, which would kill them by means of Chlorine.
Term
What should you do with Aged Water after use?
Definition
Discard it.
Term
What is schooling behavior?
Definition
When members of the group orient themselves in the same direction and move as a cohesive unit.
Term
How do schooling species look?
Definition
They have bright coloration or markings to serve as a stimulus to promote following.
Term
How are Brine shrimp commonly known as?
Definition
Sea Monkeys
Term
How will you observe Brine shrimp?
Definition
Under a dissecting microscope in a watch glass.
Term
What are you going to test the Brine shrimp for?
Definition
A phototactic response.
Term
How will you test the Brine shrimp for a phototactic response?
Definition
By wrapping one half of the vial and exposing the other half to light to observe their movements.
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