science

3. an organism that makes its own food using processes like photosynthesis and chemosynthesis.
6. interaction between two different organisms living in close physical association.
8. an interaction between species in which one species (the predator) eats the other (the prey)
9. an association between two organisms in which one benefits and the other derives neither benefit nor harm.
10. a group of individuals of one species in an area
12. Cycle the transfer of carbon through naturally occurring processes between organisms and the environment
14. a relationship between two species of organisms that both benefit from the relationship
15. the living together of two organisms or species in the same habitat without trying to eliminate the other

1. the variety of life in the world or in a particular ecosystem or habitat
2. an interaction between organisms or species for resources - food, shelter, etc.
4. a relationship between two organisms in which one benefits or lives off the other
5. an organism that obtains energy from feeding on another organism
7. organisms that break down waste and the remains of other organisms to return the raw materials back to the ecosystem
11. Factor A non-living feature of an ecosystem (rock, water, sun, etc.)
13. Factor A living feature of an ecosystem (plants, animals, leaves, etc.)