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LE Review
Ecology
| Question | Answer |
|---|---|
| Abiotic | nonliving factors in an ecosystem |
| Biotic | living factors in an ecosystem |
| Biodiversity | the variety of living things in an area. The more variety, the better |
| Carnivore | eats meat only |
| Herbivore | eats plants only |
| Omnivore | eats plants and meat |
| Carrying capacity | the maximum number of organisms that a habit can support due to limits in food, shelter and other resources |
| Producer | an organism that makes its own food (energy) through photosynthesis |
| Consumer | cannot make its own food, must eat to get energy |
| Decomposer | the organisms that feed on dead things; recycle nutrients in an ecosystem |
| Habitat | where an organism lives |
| Niche | an organism’s JOB in its environment |
| Food chain | straight line connecting items with arrows to show transfer of energy. Starts with the sun |
| Food web | Complex (goes in all directions) representation of items with arrows to show transfer of energy. Starts with the sun |
| Finite | limited amount that will run out someday |
| Infinite | unlimited amount; will not run out |
| Energy pyramid | vertical stack of organisms in a food chain. Producers are on the bottom. |
| Succession | gradual change in an area, as organisms grow after an event such as a fire. Starts with small plants and can eventually end with a complex forest. |
| Heterotroph | organism that cannot make its own food; a consumer |
| Autotroph | an organism that produces its own food; the source of energy for all other living things on earth |
| Population | all the individuals of a single species that live in a specific area |
| Parasite | an organism that survives by living and feeding on other organisms |
| Predator | an animal that hunts and kills other animals for food |
| Scavenger | a carnivore that feeds on the bodies of dead organisms |
| Limiting factors | any factor in the environment that limits the size of a population |
| Ecology | the study of how living things interact with one another and with their environment |
| Carrying capacity | the largest population of any single species that an area can support |
| Global warming | a increase in earths average surface temperature caused by an increase in in greenhouse gases |
| Industrialization | the process of converting an economy into one in which supports manufacturing |
Created by:
PRO Teacher
etucci
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