1
an animal that does not have a backbone or skeleton inside its body
2
an animal that has a skeleton with a backbone inside its body
3
a large group of animals with hard shells on the outsides of their bodies, legs with joints, and no bones inside their bodies
4
a small animal that spends part of its life cycle in water and part of its life cycle on land
5
a cold-blooded animal with a skeleton inside its body and dry scales or hard plates on its skin
6
a small arthropod animal that has six legs and generally one or two pairs of wings
7
a warm-blooded animal with fur or hair on its skin and a skeleton inside its body; the mothers produce milk to feed their babies
8
an animal with two wings, two feet, and a body covered with feathers
9
an animal that lives in water and has fins for swimming and gills for breathing; cold-blooded animals with skeletons inside their bodies
