Ecology

2. An organism that can not make its own food and eats other things
3. An organism that eats plant material.
8. An organism that eats both plants and animals
9. Organisms that are active at night
12. A relationship between two species where one benefits and the other is unharmed
13. A particular role an organism has in an ecosystem
14. An interaction between two species where one benefits and the other is unharmed
17. An organism that breaks down dead organisms
18. A group of the same type of organism
19. Both the living and non-living surroundings of an organism

1. An organism capable of making its own food through photosynthesis
4. The involvement of two or more organisms
5. A place or environment in which an organism lives
6. An organism that eats other organisms because it can't make its own food
7. A living thing
10. An organism capable of making its own food through photosynthesis
11. An organism that eats animal tissue (meat)
15. The interaction between two species where both benefit from the association
16. A characteristic which improves an organism's chance of survival
20. The study of the relationships between organisms and their environment