Across
- 2. any living organism in an environment
- 3. web a connection of many food chains
- 4. climatically and geographically defined as contiguous areas with similar climatic conditions on the Earth
- 6. community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.
- 8. association between two organisms in which one benefits and the other derives neither benefit nor harm
- 9. interaction between two different organisms living in close physical association
- 12. death rate
- 13. summation of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding
- 14. study of interactions among organisms and their environment
Down
- 1. any non-living organism in an environment
- 5. produced, occurring, or existing within a species or between individuals of a single specie
- 7. symbiosis in which one organism lives as a parasite in or on another organism
- 8. interaction between organisms or species, in which the fitness of one is lowered by the presence of another
- 10. a form of symbiosis where both organisms benefit
- 11. birth rate
