cold-blooded vertebrate

Question 1

Vertebrates

Answer 1

an animal that has a backbone

Question 2

Endotherm

Answer 2

an animal that can use body heat from chemical reactions in the body’s cells to maintain a constant body temperature

Question 3

Ectotherm

Answer 3

an organism that needs sources of heat outside of itself

Question 4

Lateral Line

Answer 4

a faint line visible on both sides of a fish’s body that runs the length of the body and marks the location of sense organs that detect vibrations in water

Question 5

Gill

Answer 5

a respiritory organ in which oxygen from the water in exchanged with carbon dioxide from the blood

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

a class that contains the cartilaginous fishes that have skeletons primarily composed of cartilage

Question 8

Bony fishes

Answer 8

a diverse taxonomic group of fish that have skeletons primarily composed of bone tissue

Question 9

Swim bladder

Answer 9

a gas filled sac that is used to control buoyancy; also known as a gas bladder

Question 10

Lung

Answer 10

a respiritory organ in which oxygen from the air is exchanged with carbon dioxide from the blood

Question 11

Tadpole

Answer 11

the aquatic fish shaped larva of a frog or a toad

Question 12

Metamorphosis

Answer 12

a phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place

Question 13

Caecilians

Answer 13

a group of limbless, vermiform or serpentine amphibians

Question 14

Salamanders

Answer 14

a lizard-like amphibian with an elongated body and tail and short limbs

Question 15

Frogs

Answer 15

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

Question 16

Toads

Answer 16

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

Question 17

Amniotic egg

Answer 17

a type of an egg that is surrounded by a membrane, the amnion, and that in reptiles, birds, and egg-laying mammals contains a large amount of yolk and is surrounded by a shell

Question 18

Turtles

Answer 18

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

Question 19

Tortoises

Answer 19

a turtle, typically a herbivorous one that lives on land

Question 20

Crocodiles

Answer 20

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

Question 21

Alligators

Answer 21

a large semiaquatic reptile similar to a crocodile but with a broader and shorter head, native to the Americas and China

Question 22

Snakes

Answer 22

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