Shared Flashcard Set

Details

Chordates
Biology Vertebrates and Ectotherms
118
Biology
10th Grade
05/04/2009

Additional Biology Flashcards

 


 

Cards

Term
Dorsal Notochord
Definition
Stiff support column along back of organism
Term
Dorsal Tubular Nerve Cord
Definition
Bundle of nerves along back of organism
Term
Pharyngeal Pouches
Definition
Small folds along neck of chordate embryo
Term
Vertebra
Definition
Hard column that surrounds nerve cord
Term
Cartilage
Definition
Flexible protein that aids in support
Term
Bone
Definition
Ossified connective tissue; contains calcium
Term
Ectotherms (Poikilotherms)
Definition
Cold-blooded organisms (Body temperature depends on environment)
Term
Endotherms (Homeotherms)
Definition
Warm-blooded organisms (Body temperature independent of environment)
Term
Skin
Definition
Thin outer covering; dermis
Term
Scales
Definition
Shingle-like structures that cover skin; sometimes all connected
Term
Feathers
Definition
Covering unique to birds
Term
Hair/ fur
Definition
Covering unique to mammals
Term
Axial Skeleton
Definition
Central section of bones; includes cranium and vertebrae
Term
Cranium
Definition
Skull
Term
Vertebral column
Definition
Stack of bones that surround nerve cord
Term
Appendicular Skeleton
Definition
The part of the skeleton that includes arms and legs
Term
Pectoral girdle
Definition
Connects arms to body; shoulder joints
Term
Pelvic girdle
Definition
Connects legs to body; hip joints
Term
Heart
Definition
Blood pump
Term
Atria
Definition
Entry chamber of heart
Term
Ventricle
Definition
Exit chamber of heart
Term
Arteries
Definition
Blood leaves heart through these
Term
Capillaries
Definition
Narrowest blood vessels; O2, nutrients, CO2 and wastes exchanged here
Term
Veins
Definition
Blood come back to the heart through these vessels
Term
Hemoglobin
Definition
Iron containing protein that carries O2 in blood
Term
Kidneys
Definition
Blood filters; take out nitrogenous wastes from the blood; excretion sites
Term
Carnivorous
Definition
To eat meat
Term
Herbivorous
Definition
To eat plants
Term
Omnivorous
Definition
To eat both plants and meat
Term
Viviparous
Definition
Live bearing
Term
Oviparous
Definition
Egg bearing
Term
Ovoviviparous
Definition
Carry egg inside; offspring hatches internally followed by live birth
Term
Olfactory lobes
Definition
Site in brain for smell
Term
Cerebrum
Definition
Processing site in brain; controls voluntary movement
Term
Optic lobes
Definition
Visual section of brain
Term
Cerebellum
Definition
Area of brain devoted to movement and coordination
Term
Medulla oblongata
Definition
Connects brain to spinal cord
Term
Inborn Behavior
Definition
Any behavior that an animal can do on its own
Term
Instinct
Definition
Specific behavior that an animal does without being taught
Term
Reflex
Definition
Immediate response to stimuli; no thinking required
Term
Conditioned or Learned Behavior
Definition
Behavior that an animal is taught
Term
Training
Definition
Teaching and animal to produce a specific behavior
Term
Intelligent Behavior
Definition
Behavior that requires creativity; often includes complex communication
Term
Manipulation
Definition
Changing ones environment; use of tools to accomplish a task
Term
Communication
Definition
Using symbols or sounds to convey a message
Term
Class Chondrichthyes
Definition
Cartilaginous fish; Sharks, Rays and Skates
Term
Rays
Definition
Viviparous, dorso-ventrally compressed chondrichthyes
Term
Skates
Definition
Oviparous, dorso-ventrally compressed chondrichthyes
Term
Sharks
Definition
Sharp-toothed Chondrichthyes; often great predators
Term
Class Osteichthyes
Definition
Bony fish
Term
Ossified skeleton
Definition
Skeleton that has calcium in it
Term
Operculum
Definition
Gill plate; hard cover just past the jaw on a fish
Term
Lateral line
Definition
Pressure-sensitive organ on fish
Term
Mucus
Definition
Slimy protein material that covers an animal’s body
Term
Chromatophore
Definition
Pigment bearing structures in the skin of some animals
Term
Air Bladder
Definition
Chamber filled with gas that can raise or lower a boney fish in water
Term
Gills
Definition
Respiratory structures in fish and amphibian larva
Term
Stomach
Definition
Digestive chamber in vertebrates
Term
Liver
Definition
Digestive accessory organ in vertebrates; sugar storage
Term
Kidneys
Definition
Excretory structures in vertebrates
Term
Spawn
Definition
Production of eggs; eggs
Term
Milt
Definition
Production of semen; semen
Term
Yolk
Definition
Yellow nutrient in eggs
Term
Fry
Definition
Baby fish
Term
Class Amphibia
Definition
Salamanders, frogs and caecilians
Term
Order Apoda
Definition
Caecilians; Legless amphibians; look like worms but have a skeleton
Term
Order Caudata
Definition
Salamanders and newts
Term
Order Anura
Definition
Frogs & Toads
Term
Metamorphosis
Definition
Changing of forms
Term
“Amphibian”
Definition
Double Life
Term
Larva (tadpole)
Definition
Immature form of an amphibian; fully aquatic with gills and sucker mouth
Term
Froglet
Definition
Small frog with residual tail; fully terrestrial
Term
Toxins
Definition
Poisons
Term
3 Chamber Heart
Definition
Heart in an amphibian and most reptiles
Term
Eye
Definition
Enables vertebrates to see
Term
Nictitating membrane
Definition
Inner eyelid
Term
Tympanic membrane
Definition
Frogs hear with these
Term
Forelegs
Definition
Front limbs on vertebrates
Term
Hind legs
Definition
Back limbs on vertebrates
Term
Internal Nare
Definition
The opening of the nostril on the inside of the mouth of a frog
Term
Tongue
Definition
Sticky appendage attached to the front of the mouth of a frog
Term
Gullet
Definition
The opening in a frog’s throat that leads to the esophagus
Term
Glottis
Definition
The opening in a frog’s throat that leads to the trachea & lungs
Term
Eustachian Tubes
Definition
Canals that connect to the tympanic membrane
Term
Vocal Sac
Definition
Expandable chamber that allows frogs to make sounds
Term
Maxillary Teeth
Definition
Rough ridges on upper rim of frog mouth
Term
Vomerine Teeth
Definition
Pointed structures on inside roof of mouth of a frog; aid in swallowing food
Term
Gall Bladder
Definition
Holds bile from liver
Term
Pancreas
Definition
Regulates sugar in blood stream; aids in digestion
Term
Intestines
Definition
Nutrient and water absorption site of digestive system
Term
Fat Bodies
Definition
Store energy in the form of lipids within the frog’s body
Term
Cloaca
Definition
Multi-functional tube through which pass solid & liquid wastes and gametes
Term
Hibernation
Definition
“Sleeping” through the winter
Term
Estivation
Definition
“Sleeping” through the hot, dry part of the day or year
Term
Amplexus
Definition
Grasping of a male to a female frog when mating
Term
Class Reptilia
Definition
Snakes, lizards, turtles, tortoises, crocodiles, alligators & tuataras
Term
Amniotic egg
Definition
An advanced form of shelled egg that can survive drying conditions
Term
Amnion
Definition
1 of 4 membranes in an egg; embryo protector
Term
Allantois
Definition
1 of 4 membranes in an egg; respiration and excretion occur here
Term
Yolk sac
Definition
1 of 4 membranes in an egg; surrounds yolk
Term
Chorion
Definition
1 of 4 membranes in an egg; membrane closest to the shell
Term
Order Squamata
Definition
Snakes and lizards
Term
Quadrate jaw
Definition
The lower jaw of a snake or lizard; can be dislocated on either side
Term
Order Testudinata
Definition
Turtles and tortoises
Term
Shell
Definition
Hard outer layer on a turtle or tortoise
Term
Order Crocodillia
Definition
Alligators and Crocodiles
Term
Order Rhynchocephalia
Definition
Tuatara
Term
Scutes
Definition
Scales on reptile; belly scales of snake, back scales on alligator or turtle
Term
Jacobson’s Organ
Definition
Nerve ganglion used for smell in snakes
Term
Constriction
Definition
Method of killing that involves squeezing
Term
Fangs
Definition
Teeth of a snake
Term
Venom
Definition
Poison from a reptile; neurotoxin or hematoxin
Term
Ear hole
Definition
Opening on side of lizard head; used for hearing
Term
Carapace
Definition
Top of turtle shell
Term
Plastron
Definition
Bottom of turtle shell
Term
Snout
Definition
Nose of a crocodilian
Term
Fresh water
Definition
Water with little dissolved salt in it
Term
Brackish water
Definition
Water with dissolved salt in it but not as concentrated as salt water/ ocean
Supporting users have an ad free experience!