Ecology Crossword

3. Physical rather than biological; not derived from living organisms.
4. The regions of the surface, atmosphere, and hydrosphere of the earth.
5. A group of people living in the same place or having a particular characteristic in common.
9. A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
10. A system of interlocking and interdependent food chains.
11. a number of people or things sharing a specified characteristic and following one after the other.
14. The series of processes by which carbon compounds are interconverted in the environment, involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels.
16. All the inhabitants of a particular town, area, or country.
17. An organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
18. An animal that feeds on flesh.

1. An animal that feeds on plants.
2. The cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.
4. A large naturally occurring community of flora and fauna occupying a major habitat.
6. An animal or person that eats food of both plant and animal origin.
7. Relating to or resulting from living things, especially in their ecological relations.
8. The natural home or environment of an animal, plant, or other organism.
12. An organism that can't make its own food.
13. They make their own food, which creates energy for them to grow, reproduce and survive.
15. A hierarchical series of organisms each dependent on the next as a source of food.