cold blooded verdebrates Flashcards
1
Q
An animal that has a backbone.
A
Vertebrates
2
Q
An animal can use the body heat from chemical reactions in the body’s cells to maintain a constant body temperature.
A
Endotherm
3
Q
An organism that needs sources of heat outside itself.
A
Ectotherm
4
Q
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 the water.
A
Lateral Line
5
Q
A respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood.
A
Gill
6
Q
Agnatha is a superclass of jawless fish in the phylum Chordata, subphylum Vertebrata, consisting of both present and extinct species.
A
Jawless fishes
7
Q
A gas-filled sac that is used to control buoyancy; also known as a gas bladder.
A
Swim bladder
