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Ecology 8
vocabulary practice
| Question | Answer |
|---|---|
| ecology | the branch of biology concerned with the relations between organisms and their environment |
| abiotic | any nonliving component of an environment |
| biotic | the living organisms in an ecosystem |
| ecosystem | living and nonliving things in an environment, together with their interactions |
| population | group of individuals of the same species living in a particular area at the same time |
| community | (ecology) a group of interdependent organisms inhabiting the same region and interacting with each other |
| habitat | the place where an organism lives |
| producer | an organism that makes its own food |
| consumer | an organism that obtains energy by feeding on other organisms |
| carnivore | organism that obtains energy by eating animals |
| herbivore | organism that obtains energy by eating only plants |
| equilibrium | a state of balance |
| photosynthesis | process by which plants use the sun's energy to convert water and carbon dioxide into sugars |
| predator | animal that hunts and eats other animals |
| prey | an organism that is killed and eaten by another organism |
| symbiosis | how two different living organisms live together and depend on each other |
| mutualism | a relationship between two species in which both species benefit |
| parasitism | one organism lives on or inside another organism and harms it |
| commensalism | a relationship between two organisms in which one organism benefits and the other is unaffected |
| host | an animal or plant that nourishes and supports a parasite |
| symbiont | The smaller participant in a symbiotic relationship, living in or on the host. |
| succession | (ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established |