vocab

4. a type of symbiosis in which both species benefit from living together
10. a living or once living part of an ecosystem
11. number of the same species in an area
14. movement of individuals into a populations area
17. succession but there is still soil
18. the largest population that a particular environment can support
19. a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce
20. a type of symbiosis between two species in which one species benefits and the other is neither helpex nor harmed
22. an environmental factor that causes a population to decrease in size

1. the home of an organism
2. succession in which there is no soil
3. moving from one population to another
5. the community of organisms that live in a particular area along with their nonliving environment
6. interaction between two organisms
7. a nonliving part of an organisms habitat
8. all the organisms in an area
9. a living thing
12. an inherited behavior or physical characteristic that helps an organism survive and reproduce in an environment
13. how an organism makes its living and interacts with the biotic and abiotic factors in its habitat
15. a type of symbiosis in which one organism lives with, on or in a host and harms it
16. first species in an area after primary succession
21. the study of how organisms interact with each other and their environment