Ecosystems

1. The physical environment where a species lives
5. Populations of different species that live in the same area and interact with each other
7. The largest population a given environment can support
8. Lacks trees and has large seasonal variability in temperatures but relatively low precipitation
10. An interaction between two organisms for a limiting resource
12. A group of similar ecosystems that have the same general abiotic factors and primary producers.
13. The movement of organisms out of a population to a different area
14. These are parts of the environment that are not living
17. Two finches competing for the same nesting habitat

2. The movement of organisms into a population from a different area
3. A group of organisms that belong to the same species and live in the same area
4. Food supply, water, shelter, predators, habitat destruction
6. Made of the biotic and abiotic factors in an ecosystem
9. The number of a species in an area
11. The parts of an environment that are currently or once were living
13. The study of interactions between organisms and their environment.
15. A group of individuals that are able to reproduce fertile offspring
16. The job a species has in an ecosystem is