ecosystems

2. – The role an organism plays in its environment, including how it gets food and interacts with others.
4. – An organism that hunts and eats other organisms.
6. – A consumer that eats only animals.
7. – Immediate impacts of one factor on another in an ecosystem.
9. – The edges or limits of an ecosystem.
10. – An organism that obtains energy by eating other organisms.
11. – An organism, usually a plant or algae, that makes its own food through photosynthesis.
13. – A consumer that eats only plants.
15. – A species that has a critical role in maintaining the structure of an ecosystem.
16. Capacity – The maximum number of organisms an environment can support without degrading resources.
17. – A top predator with no natural enemies in its ecosystem.
18. – Traits that help organisms survive and reproduce in their environment.

1. – Natural processes that keep ecosystems balanced, such as predator-prey interactions.
3. – Secondary impacts that occur when one factor influences another through an intermediate factor.
5. – A cycle where outputs of a system influence its own inputs, stabilizing or amplifying changes.
8. – A community of living organisms interacting with each other and their physical environment.
9. – The variety of different species, genes, and ecosystems within a region.
12. – An organism that is hunted and eaten by predators.
14. – A sequence showing how energy flows from producers to various consumers in an ecosystem.