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chap 18 vocab
key words ms Lee
| Question | Answer |
|---|---|
| ecology | the study of the interactions of living organisms with one another and with their enviorment |
| biotic | describes living factors in the environment |
| abiotic | describes the nonliving part of the environment,including water,rocks,light,and temperature |
| organism | a living thing;anything that can carry out life processes independently |
| habitat | The natutral home or enviorment of a animal,plant.or other organism |
| population | a group of organisms of the same species that can live in a specific geographical area |
| community | all of the populations of species that live in the same habitat |
| ecosystem | a community of organisms and their abiotic,or nonliving environment |
| biosphere | the part of the earth where life exist |
| producer | an organism that can make its own food from its surroundings |
| consumer | an organism that eats other organisms or organic matter |
| decomposer | an organism that that gets energy by breaking down the remains of dead organisms or animal waste and consuming or absorbing the nutrients |
| herbivore | a organism that eats only plants |
| carnivore | a organism that eats only animals |
| omnivore | a organism that eats both plants and animals |
| food chain | the pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms |
| food web | a diagram that shows the feeding relationship between organisms in a ecosystem |
| energy pyramid | a triangular diagram that shows an ecosystem's loss of energy,which results as energy passes through the ecosystems's food chain |
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