cold blood animals Flashcards
(24 cards)
Vertebrates
an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
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 that detect pressure and vibration.
Gill
by which oxygen is extracted from water flowing over surfaces within or attached to the walls of the pharynx.
Jawless fishes
lampreys and the hagfish
Cartilaginous fishes
Whale Shark Basking Shark Great White Shark Thresher Sharks
Bony fishes
Sunfish, bass, catfish, trout, and pike
Swim bladder
a gas-filled sac present in the body of many bony fishes used to maintain and control buoyancy.
Lung
an open space in a town or city, where people can breathe fresher air.
Tadpole
the tailed aquatic larva of an amphibian (frog, toad, newt, or salamander), breathing through gills and lacking legs until the later stages of its development.
Metamorphosis
a change of the form or nature of a thing or person into a completely different one, by natural or supernatural means.
Caecilians
a burrowing worm-like 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 the 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.
Amniotic egg
An air-breathing egg is characterized by a shell and extraembryonic membranes.
Tortoises
a turtle, typically a herbivorous one that lives on land.
Turtles
a slow-moving reptile, enclosed in a scaly or leathery domed shell into which it can retract its head and thick legs.
Crocodiles
a large predatory semiaquatic reptile with long jaws, a long tail, short legs, and horny textured 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 that has no eyelids, a short tail, and jaws that are capable of considerable extension. Some snakes have a venomous bites.
Lizards
a reptile that typically has a long body and tail, four legs, movable eyelids, and 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.
