Ecology Crossword

3. fun to play
4. four walls and a door
8. Factors is a living organism that shapes its environment.
9. the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
11. an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.
12. the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
14. as the relationship between different species in which one organism lives on or in the other organism and benefits from it by causing some harm.”
15. Species any species that is likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range.
16. is a term used to describe organisms that are killed for food.
17. natural home or environment of an animal, plant, or another organism.
18. Chain the sequence of transfers of matter and energy in the form of food from organism to organism.

1. is defined as an interaction between individuals of different species that results in positive (beneficial) effects on per capita reproduction and/or survival of the interacting populations.
2. a relationship between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting the latter.
4. an organism deriving its nutritional requirements from complex organic substances.
5. Factors are a non-living part of an ecosystem that shapes its environment.
6. describes the role an organism plays in a community.
7. Capacity a species' average population size in a particular habitat.
10. Species a type of organism that is threatened by extinction.
13. is an animal that hunts, kills and eats other animals for food.
18. Web all of the food chains in an ecosystem.