Ecology Part I

2. _____ factors are living organism that shape the environment
4. _____ factors are non-living parts of an ecosystem that shape the environment
9. carrying _____ is the maximum population size of a biological species that can be sustained by that environment
10. a food _____ outlines who eats whom
12. an animal that is killed by another animal for food
16. organism that depends on producers or other consumers for food, nutrition, and energy
17. a _____ is a species that other organisms in an ecosystem largely depend on
18. the natural environment of a plant, animal, or other organism
19. _____ percent of energy stored as biomass in a trophic level is passed from one level to the next

1. when animals are exposed to the same stimuli repeatedly and stop responding to that stimulus
3. a nonnative organism that begins to spread or expand its range and has the potential to cause harm to the environment
5. _____ contain biotic or living, parts, as well as abiotic factors, or nonliving parts
6. organisms that break down dead or decaying organisms
7. renewable energy from plants and animals
8. the variety of life on Earth at all its levels
11. the only living things on Earth that can make their own source of food energy
13. an organism that consumes the body of another living or recently killed organism
14. consists of all the food chains in a single ecosystem
15. _____ diversity is the range of different inherited traits within a species
16. a relationship between or among living things that compete for a limited resource