| A | B |
|---|
| extinct | Kinds of plants or animals that no longer live on Earth. |
| endangered | When there are only a few of that type of organism living. |
| fossils | We know about some types of extinct animals because of these. |
| drought | A long period of dry weather without rain is called this. |
| recycle | When people do this they change something so that it can be used again. |
| pollution | When people add things to the environment that are harmful. |
| habitat | A place where an organism lives. |
| flood | This occurs when there is too much rain for the ground to soak up. |
| adaptation | A structure or behavior that helps an organism survive in its environment |
| animals | These items come from ______:wool, leather, milk and eggs. |
| plants | Cotton, flour, and wood come from these. |
