1
an animal that does not have a backbone
2
to reproduce by giving birth to live babies
3
an animal that has a backbone
5
an animal that eats other animals
6
an animal that only eats plants
7
to reproduce by laying eggs
8
an animal that eats plants and animals
9
the thin, flat plates covering fish, snakes, or lizards
10
the parts of birds, insects, and bats that are used for flying
11
the breathing organ of some water animals
12
the part on the body of water animals that is used for moving
14
the hard, curved bird's mouth
15
the soft and flexible tissue that is the outer covering of an animal body
16
the soft, hairy covering of a mammal