| A | B |
| animal needs | water, oxygen, food, shelter |
| trait | body feature passed on to an animal from its parents |
| vertebrate | animal with a backbone |
| fish | slippery and breathes through lungs |
| amphibian | frogs, toads, and salamanders- spends part of their live in water and part on land |
| reptiles | dry,scaly skin; snakes, lizards,alligators |
| birds | feathers, bills that do not have teeth |
| mammals | have hair; feed milk to their young |
| invertebrate | animals without backbones |
| arthropods | largest group of invertebrates |
| examples of arthropods | insects, spiders, crabs; skeletons on outside and jointed legs |
| caterpillar | butterfly larva |
| butterfly's life cycle | egg, larva, pupa, butterfly breaks out of the chrysalis |
| mammals | grows inside mother, live birth and drinks milk from its mother |
| adaptation | trait that helps an animal meet its needs in the place where it lives |
| inherited | adaptations passed on from parents to their young |
| bird bills | shape helps bird catch and eat food |
| camouflage | helps them blend in with their surroundings |
| migrate | instinct to move to a warmer place |
| hibernate | body systems slow down to save energy |
| amber | hardened yellow tree sap |