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1. | Pg 86 Usually the plants in an ecosystem, the basic food source for the ecosystem |
2. | Pg 87 Food _____ - A complicated, interconnected group of food chains |
3. | Pg 86 ________ level- each step in the transfer of energy through an ecosystem |
5. | Pg 79 a community of organisms and their abiotic environment |
7. | Pg 81 the replacement of one type of community by another at a single location over a period of time |
8. | Pg 81 The first organisms to appear in a newly made habitat |
11. | Pg 81 An ecosystem responds to change in such a way to restore that ecosystem to ____________. |
13. | Pg 82 the average weather conditions in an area over a long period of time |
14. | Pg 79 a group of various species that live in the same place and interact with one another |
15. | Pg 80 a place where an organism lives |
16. | Pg 87 Food ________- The flow of energy from one level to the next in an ecosystem |