Across
- 2. a group of organisms that can reproduce with one another in nature and produce fertile offspring
- 4. any of several living arrangements between members of two different species, including mutualism, commensalism, and parasitism
- 8. between members of the same species for a limited resource
- 9. different species within a community compete for the same resources
Down
- 1. where there is a great deal of difference between the appearance of the male and female of a species
- 3. a group of organisms of a species that interbreed and live in the same place at the same time
- 5. a living organism that shapes its environment
- 6. non-living part of an ecosystem that shapes its environment
- 7. the direct or indirect interaction of organisms that leads to a change in fitness when the organisms share the same resource