Cold blooded vertebrates Flashcards
(24 cards)
vertebrate
animal that has a backbone
Endotherm
an animal that is dependent on or capable of the internal generation of heat; a warm-blooded animal.
ectotherm
an animal that is dependent on external sources of body heat.
lateral line
a visible line along the side of a fish consisting of a series of sense organs which detect pressure and vibration.
gill
the organ that lets fish get oxygen
Jawless fishes
fishes without jaws
swim bladder
a gas-filled sac present in the body of many bony fishes, used to maintain and control buoyancy.
Lung
an organ to help us breath
tadpole
A infant frog
Metamorphosis
the process of transformation from an immature form to an adult form in two or more distinct stages.
Caecilians
a burrowing wormlike amphibian of a tropical order distinguished by poorly developed eyes and the lack of limbs.
Salamanders
a lizard-like amphibian with an elongated body and tail and short limbs, once thought able to endure fire.
Frogs
a tailless amphibian with a short squat body, moist smooth skin, and very long hind legs for leaping.
toads
a tailless amphibian with a short stout body and short legs, typically having dry warty skin that can exude poison.
Turtles
a slow-moving reptile, enclosed in a scaly or leathery domed shell into which it can retract its head and thick legs.
Tortoises
a turtle, typically a herbivorous one that lives on land.
Crocodiles
a large predatory semiaquatic reptile with long jaws, long tail, short legs, and a horny textured skin, using submersion and stealth to approach prey unseen. The crocodile has been extensively hunted for its valuable skin.
Alligators
a large semiaquatic reptile similar to a crocodile but with a broader and shorter head, native to the Americas and China.
snakes
a long limbless reptile which has no eyelids, a short tail, and jaws that are capable of considerable extension. Some snakes have a venomous bite.
Lizard
a reptile that typically has a long body and tail, four legs, movable eyelids, and a rough, scaly, or spiny skin.
Tuataras
a nocturnal burrowing lizard-like reptile with a crest of soft spines along its back, now confined to some small islands off New Zealand.
Cartilaginous fishes
fish who skeleton never change
bony fish
A fish with bone and bony skin that is most common
Amniotic egg
A type of egg that is surrounded by a membrane, the amnion, that in reptiles, birds, and egg-laying mammals contain a large amount of yolk and is surrounded by a shell.
