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Vocabulary 1
| Term | Definition |
|---|---|
| Ecology (p 388) | study of the interactions among living things and their surroundings. |
| Ecosystem (p389) | collection of the organisms and nonliving things, such as climate, soil, water,and rocks, in an area. |
| Community (p389) | collection of all of the different populations that that live in one area. |
| Biome (p389) | regional or global community of organisms characterized by the climate conditions and plant communities that thrive there |
| Autotroph | organism that obtains its energy from abiotic sources, such as sunlight or inorganic chemicals. |
| Consumer | organism that obtain its energy and nutrients by eating other organisms |
| Producer (p398) | organism that its energy from abiotic sources, such as sunlight or inorganic chemicals. |
| Heterotroph | organism that obtains its energy and nutrients by consuming other organisms. |
| Chemosynthesis | process by which ATP is synthesized by using chemicals as an energy source instead of light. |
| Food Chain (p400) | model that links organisms by their feeding relationships |
| Herbivore | organism that eats only plants |
| Carnivore | organism that obtains energy by eating only animals. |
| Omnivore | organism that eats both plants and animals |
| Detritivore | organism that eats dead organic matter |
| Decomposer | detritivore that breaks down organic matter into simpler compounds, returning nutrients back into an ecosystem |
| Generalists | species that does not reply on a single source of prey |
| Trophic Levels | level of nourishment in a food chain. |
| Food Web | model that shows the complex network of feeding relationships within an ecosystem |