Unit 1: Ecology Crossword

5. an animal that gets energy by eating other animals
8. Type of competition where the same species compete for resources.
10. an organism that can produce its own food through photosynthesis
11. factor, environmental things that cause a population to stop growing or decrease in size
15. an organism that gets energy from eating only plants
16. The variety of life in the world or in a particular habitat or ecosystem.
17. an organism that must consume plants or animals to survive
19. non-living things in an ecosystem
22. Group of the same species living in the same area
24. Different populations of organisms living in the same environment.
25. What percentage of energy is passed on to each trophic level?

1. the primary source of energy for most ecosystems
2. An organism that eats both plants and other animals
3. A type of symbiosis in which one species benefits and the other is not affected Mutualism, A type of symbiosis in which both species benefit is called...
4. A type of symbiosis in which one species benefits and the other is harmed or killed...
6. an organism that will eat everything
7. occurs when one organism kills and eats another for food.
9. Type of competition where two different species compete for resources.
12. SPECIES, a plant or animal that does harm in its non-native environment
13. living things in an ecosystem
14. the type of consumer that eats autotrophs
18. The natural environment where an organism lives and interacts.
20. capacity, The largest amount of a species that an environment can support
21. the top predator in a food chain
23. Organisms that get energy from dead things or waste