Cold-Blooded Vertebrates

Question 1

An animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

Answer 1

Vertebrates

Question 2

An animal that is dependent on or capable of the internal generation of heat; a warm-blooded animal.

Answer 2

Endotherms

Question 3

An animal that is dependent on external sources of body heat.

Answer 3

Ectotherms

Question 4

A visible line along the side of a fish consisting of a series of sense organs that detect pressure and vibration.

Answer 4

Lateral Line

Question 5

The paired respiratory organ of fishes and some amphibians, by which oxygen is extracted from water flowing over surfaces within or attached to the walls of the pharynx.

Answer 5

Gills

Question 6

Lamprey and Hilsa

Answer 6

Jawless Fishes

Question 7

Shark and Electric ray

Answer 7

Cartilaginous Fishes

Question 8

Perch and Oarfish

Answer 8

Bony fishes

Question 9

A gas-filled sac present in the body of many bony fishes, used to maintain and control buoyancy.

Answer 9

Swim bladder

Question 10

A cold-blooded vertebrate animal of a class that comprises the frogs, toads, newts, and salamanders. They are distinguished by having an aquatic gill-breathing larval stage followed (typically) by a terrestrial lung-breathing adult stage.

Answer 10

Amphibinas

Question 11

Each of the pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn, so that oxygen can pass into the blood and carbon dioxide be removed. Lungs are characteristic of vertebrates other than fish, though similar structures are present in some other animal groups.

Answer 11

Lungs

Question 12

The tailed aquatic larva of an amphibian (frog, toad, newt, or salamander), breathing through gills and lacking legs until its later stages of development.

Answer 12

Tadpole

Question 13

Also called transformation. A change in the form and often habits of an animal during normal development after the embryonic stage. Metamorphosis includes, in insects, the transformation of a maggot into an adult fly and a caterpillar into a butterfly and, in amphibians, the changing of a tadpole into a frog.

Answer 13

Metamorphasis

Question 14

Any of an order (Gymnophiona) of chiefly tropical burrowing limbless amphibians resembling worms.

Answer 14

Caecilians

Question 15

A newt like amphibian that typically has bright markings, and that once was thought to be able to endure fire.

Answer 15

Salamanders

Question 16

A tailless amphibian with a short squat body, moist smooth skin, and very long hind legs for leaping.

Answer 16

Frogs

Question 17

A tailless amphibian with a short stout body and short legs, typically having dry warty skin that can exude poison.

Answer 17

Toads

Question 18

A vertebrate animal of a class that includes snakes, lizards, crocodiles, turtles, and tortoises. They are distinguished by having a dry scaly skin and typically laying soft-shelled eggs on land.

Answer 18

Reptiles

Question 19

Relating to the amnion.

Answer 19

Amniotic eggs

Question 20

A slow-moving reptile, enclosed in a scaly or leathery domed shell into which it can retract its head and thick legs.

Answer 20

Turtles

Question 21

A turtle, typically a herbivorous one that lives on land.

Answer 21

Tortises

Question 22

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.

Answer 22

Crocodiles

Question 23

A large semi-aquatic reptile similar to a crocodile but with a broader and shorter head, native to the Americas and China.

Answer 23

Alligators

Question 24

A long limbless reptile that has no eyelids, a short tail, and jaws that are capable of considerable extension. Some snakes have a venomous bite.

Answer 24

Snakes

Question 25

A reptile that typically has a long body and tail, four legs, movable eyelids, and a rough, scaly, or spiny skin.

Answer 25

Lizards

Question 26

A large, primarily nocturnal, lizard like reptile, Sphenodon punctatum, of islands near the coast of New Zealand: the only surviving rhynchocephalian.

Answer 26

Tautaras