Ecosystems

3. A group of individuals of the same species living in a specific area.
7. The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
9. The surroundings or conditions in which a person, animal, or plant lives or operates.
10. The variety of life in a particular habitat or ecosystem.
14. The action of conserving something, especially nature.
16. An organism that breaks down dead or decaying organisms.
18. An animal that feeds on flesh.
19. An animal that naturally preys on others.

1. A luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall.
2. Web A system of interlocking and interdependent food chains.
4. The natural home or environment of an animal, plant, or other organism.
5. A large community of plants and animals that occupies a distinct region.
6. The weather conditions prevailing in an area in general or over a long period.
8. An animal that feeds on plants.
9. A community of living organisms and their physical environment.
11. Interaction between two different organisms living in close physical association.
12. A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
13. A change or the process of change by which an organism or species becomes better suited to its environment.
15. An animal or person that eats food of both plant and animal origin.
17. The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.