cold blooded vertebrates

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 tempature.

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 respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood. EX fish.

Question 6

swim bladder

Answer 6

a gas-filled sac that is used to control buoyancy; also known as a gas bladder. EX fish.

Question 7

lung

Answer 7

a respiratory organ in which oxygen from the air is exchanged with carbon dioxide.

Question 8

tadpole

Answer 8

the aquatic, fish-shaped larva of a frog or toad

Question 9

metamorphosis

Answer 9

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 10

amniotic egg

Answer 10

a type of 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.