| A | B |
|---|
| adaptation | A behavior or characteristic that helps an animal or plan survive and make the most of its habitat. |
| habitat | The physical place where an organism lives. |
| interrelationship | The interaction between plants and animals and their environment. |
| ecology | The study of relationships between living things and their environment. |
| conservation | Preservation of natural resources. |
| erosion | The wearing away of the land surface by wind or water. |
| litter | scattered trash. |
| extinct | No longer living or existing. |
| endangered | Faced with extinction. |
| greenhouse effect | The heating effect of the atmosphere upon the earth. |
| decomposers | Organisms that break down tissues of other organisms into simpler forms. |
| restoration | Renewal, re-establishment |
