environment

3. blooded- lacking the ability to regulate body temperature
4. A plate or animal on which a parasite lives and feeds
6. springs- A stream of hot water flows naturally out of the earth
8. to maintain or protect from injury
9. an animal hunted or caught for food
11. - equator - A imaginary lined around the earth, halfway between the north and south pole
13. A class of microscopic, one celled or noncelluller organisms

1. To change continually
2. A large mass of ice that survives for many years where snow accumulates faster than it melts
5. A large area covered with trees and underbrush
7. the basic unit of inheritance
10. rain- rain water
12. A group of simple plants that no roots
13. one of the major types of plant and animal communities determind by its climets