cold blooded vertebrate

Question 1

vertebrates

Answer 1

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

Question 2

endotherms

Answer 2

an animal that is dependent on or capable of the internal generation of heat.

Question 3

ectotherms

Answer 3

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

Question 4

lateral line

Answer 4

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

Question 5

gills

Answer 5

a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide.

Question 6

jawless fishes

Answer 6

a superclass of jawless fish in the phylum Chordata, subphylum Vertebrata, consisting of both present and extinct species.

Question 7

cartilaginous fishes

Answer 7

jawed vertebrates with paired fins, paired nares, scales, a heart with its chambers in series, and skeletons made of cartilage rather than bone.

Question 8

bony fishes

Answer 8

a diverse taxonomic group of fish that have skeletons primarily composed of bone tissue, as opposed to cartilage.

Question 9

swim bladder

Answer 9

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

Question 10

amphibians

Answer 10

Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia.

Question 11

lungs

Answer 11

a pair of spongy, air-filled organs located on either side of the chest.

Question 12

tadpole

Answer 12

the larval stage in the life cycle of an amphibian, particularly that of a frog or toad.

Question 13

metamorphosis

Answer 13

the process of transformation from an immature form to an adult form in two or more distinct stages.

Question 14

caecilians

Answer 14

tropical amphibians that look like large worms or slick snakes.

Question 15

salamanders

Answer 15

a group of amphibians typically characterized by a lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults.

Question 16

frogs

Answer 16

any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura.

Question 17

toads

Answer 17

a common name for certain frogs, especially of the family Bufonidae, that are characterized by dry, leathery skin, short legs, and large bumps covering the parotoid glands.

Question 18

reptiles

Answer 18

tetrapod animals in the class Reptilia, comprising today’s turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives.

Question 19

amniotic eggs

Answer 19

The type of egg produced by reptiles, birds, and prototherian mammals, in which the embryo develops inside an amnion.

Question 20

turtles

Answer 20

diapsids of the order Testudines characterized by a special bony or cartilaginous shell developed from their ribs and acting as a shield.

Question 21

tortoises

Answer 21

reptile species of the family Testudinidae of the order Testudines.

Question 22

crocodiles

Answer 22

large semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.

Question 23

alligators

Answer 23

a crocodilian in the genus Alligator of the family Alligatoridae.

Question 24

snakes

Answer 24

elongated, legless, carnivorous reptiles of the suborder Serpentes.

Question 25

lizards

Answer 25

a widespread group of squamate reptiles, with over 6,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains.

Question 26

tuataras

Answer 26

Tuatara are reptiles endemic to New Zealand.