| A | B |
|---|
| Community | a group of plants and animals that depend on each other to live |
| Protozoans | tiny microscopic water animals |
| Comparison | an observation of similarities and differences |
| Gill | the part of an animal's body used to take oxygen from water |
| Larva | the earlly form of an animal which looks very different from the adult form |
| Hibernate | to spend the winter in sleep |
| Surface Film | the very top or surface of the water |
| Camouflage | to cause to look like something else for protection |
