Biology

3. Organisms that rely on other organisms for their energy and food suply
5. An organism that lives an or in a host organism and gets its food from or at the expense of its host
8. A series of steps in which organisms transfer energy by eating and being eaten
9. Living factors that influence an ecosystem
11. The envelope of gases surrounding the earth or another planet
14. Group of organisms so similar to another that they can breed and produce fertile offspring
15. The scientific study of interaction among organisms and between organisms and between organisms and the environment
17. The flow of energy through an ecosystem is one of the most important factors that determines the ability to sustain life
19. A serie of predictable changes in an environment
21. Different populations that live together in a defined area
22. State of matter from gas to liquid;reverse of vaporization
23. Contains the combined portions of the planet in which all of life exist,including land,water and atmosphere
25. The continuous movement of water within the Earth and atmosphere

1. process by which water on the ground enters soil
2. Breaks down dead/decay matter.Bacteria and Fungi are examples of
4. Provide populations of wildlife with food,water,shelter and space
6. Each step in a food chain/web
7. A group of ecosystem that have the same climate and similar dominant communities
10. Process of becoming a vapor
12. same species and live in same area
13. Physical,non-living factors that influence an ecosystem
16. A collection of all organisms that live in a particular place together with their nonliving environment
18. web A network of complex feeding relationships among the various organisms in an ecosystem
20. The role the species plays,and includes the type of food it eats,where it lives,where it reproduces,and its relationships with other species
24. eat meat and plants