Ecology

3. Diversity of a ecosystem
7. How organisms interact with each other and their environment
11. A relationship between two organisms where one benefits and one neither benefits of is harmed
12. A relationship between two organisms where one is benefited and one is harmed
16. A key so someone can figure out what something is
17. A organism that creates its own food
18. A organism that cannot create its own food

1. A relationship between two organisms where both benefit
2. When a natural disaster harms a ecosystem and organisms have to restart
4. The study of how organisms interact
5. The number of a species in a area
6. Physical factors of an environment
8. How certain organisms interact with each other.
9. When organisms first go to a empty landscape
10. When certain traits are passed on more because they can pass on their genes easier
13. Every ecosystem on the planet
14. A diagram of how energy moves through a ecosytem
15. Biological factors of an environment