Marine Ecology

2. a recurring series of events such as related to hydrologic or carbon
4. nitrogen in this form can get converted back to N2
9. - organism that breaks down and obtains energy from organism no longer living
12. where seawater and freshwater meet
14. types of plants with specialized nodules for nitrogen fixation
15. this animal eats the phytoplankton
16. an environment where both living and non-living things interact
17. a measure of the amount of NaCl in the ocean

1. a large community of plants and animals adapted to that particular environment
3. a marine ecosystem full of very diverse sometimes colorful organisms
5. the lowest member of a food web
6. another name for marshes, estuaries, swamps.
7. a group of organisms belonging to the same species that live in the same area and interact
8. bodies of water with less than 1% salt
10. produces glucose and oxygen
11. plant eater
13. zone where photosynthesis does not occur