Healthy ecosystem

2. the study of relationships between organisms, and between organisms and their environment
3. the environment where an organism lives
5. an organism that hunts other living things for food
10. any non-living component of the environment
11. the network of interactions that link the living and non-living parts of an environment
12. a substance that an organism needs to grow and maintain its body
13. a living thing that is small and must be viewed with the help of a microscope
15. a group of populations of different species in a given area

1. a group of organisms of the same species in agiven area
4. a living thing
6. a group of similar organisms that can mate and reproduce more of the same type of organism
7. an animal that is hunted by a predator
8. any living thing found in the environment
9. occurs when more than one organism tries to obtain the same basic resources in the same habitat
14. an interaction between individuals of different species that benefits both individuals