cold blooded Flashcards
1
Q
Vertebrates
A
an animal that has a backbone
2
Q
Endotherms
A
an animal that can use body heat from chemical reactions in the body’s cells to maintain a constant body temperture.
3
Q
Ectotherms
A
an organism that needs sources of heat outside of itself
4
Q
Lateral Line
A
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
5
Q
Gills
A
a respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood
6
Q
Jawless Fishes
A
They have no jaws, they do not need jaws to eat. They eat dead fish on the ocean floor. Ex. hagfish and lamprey’s
7
Q
Cartilaginous Fishes
A
they have a lateral line system and ex. sharp
8
Q
Bony Fishes
A
ex. goldfish,tuna this class of fish is the largest
