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Blalock Ecology
GA S7L4 Ecology
| Question | Answer |
|---|---|
| ecology | the study of the interactions between organisms and their environment |
| biotic | describes living factors in the environment |
| abiotic | describes nonliving factors in the environment |
| population | a group of individuals of the same species that live together in the same area at the same time |
| community | all of the populations of different species that live and interact in an area |
| ecosystem | a community of organisms and their nonliving environment |
| biosphere | the part of the Earth where life exists |
| herbivore | a consumer that eats plants |
| carnivore | a consumer that eats animals |
| omnivore | a consumer that eats a variety of organisms |
| scavenger | an animal that feeds on the bodies of dead animals |
| food chain | a diagram that represents how the energy in food molecules flows from one organism to the next |
| energy pyramid | a diagram that shows the loss of energy at each level of the food chain |
| food web | a complex diagram representing the many energy pathways in a real ecosystem |
| habitat | the environment where an organism lives |
| niche | an organism's way of life and its relationships with its abiotic and biotic environments |
| carrying capacity | the largest population that a given environment can support over a long period of time |
| prey | an organism that is eaten by another organism |
| predator | an organism that eats other organisms |
| mutualism | a symbiotic relationship in which both organism benefit |
| commensalism | a symbiotic relationship in which one organism benefits and the other is unaffected |
| parasitism | a symbiotic relationship in which one organism benefits while the other is harmed |
| coevolution | the long-term changes that take place in two species because of their close interactions with one another |
| primary consumer | in a food chain, an organism that eats plants, such as a rabbit |
| secondary consumer | in a food chain, an organism that feeds on plant-eaters; also called a predator |
| tertiary consumer | in an ecosystem, a predator that feeds on other predators |
| quartenary consumer | eats a tertiary consumer; example...a hawk eats an owl |
Created by:
blalocker@lee.k12.ga.us
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