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Science
Vocab
| Term | Definition |
|---|---|
| Biotic Factors | a living thing. as an animal or plant, that influences or affects an ecosystem |
| Abiotic Factors | a nonliving thing, such as climate or habitat, that influences or affects and ecosystem and the organisms in it |
| Producers | an organism, as a plant, that is able to produce its own food from inorganic substances |
| Consumers | an organism, usually an animal, that feeds on other plants or animals |
| Decomposers | an organism, usually a bacterium or fungus, that breaks down the cells of plants and animals into simpler substances |
| Herbivore | animals that get their energy by only eating plants or producers |
| Carnivore | animals that get their energy by only eating other animals |
| Omnivore | animals that get their energy by eating both consumers and producers |
| Predator | any organism that exists by preying on other organisms |
| Prey | an animal hunted or seized for food, especially by a carnivorous animal. |
| Terrestrial Ecosystem | a land-based community of organisms |
| Aquatic Ecosystem | an ecosystem in a body of water |
| Food Chains | a path of food energy from one organism to another in an ecosystem |
| Food Webs | overlapping food chains that with different pathways for the flow of food energy in an ecosystem |
| Energy Pyramid | a diagram that shows the amount of energy passed on at each level of a food chain |
| Competition | the struggle of organisms against each other to get the same resource |
| Natural Resources | Materials n the enviornment that are useful to people |
| Population | all the organisms of the same species that live in the same place at the same time |
| Community | populations of different kinds of organisms that live in the same place at the same time |
| Habitat | the environment where an organism lives |
| Estuary | a place where fresh water from a river empties into the ocean and mixes with it |
| Brackish | slightly salty, as is the mixture of river water and seawater in estuaries |
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