Vertebrates
Name the classes under arthropods?
Crustaceans, insects, arachnids
Why do birds have hollow bones?
Lighter during flight.
What class does a snail belong to?
What is gastropod?
Describes an animal with a body temp. that changes with its surroundings?
What is ectothermic?
What is the largest class of fish?
Name all the groups for Extra 100 points
Bony fish
Cartilegenous, jawless
An animal with a constant body temp? Name a class.
What is endothermic? What is mammal?