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Ecosystems Vocabulary

Ecosystems Vocabulary. Population. A grouping of the same species in a certain area. Sampling. Using general characteristics of a small group to identify characteristics of a larger group. Abiotic and Biotic.

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Ecosystems Vocabulary

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  1. Ecosystems Vocabulary

  2. Population • A grouping of the same species in a certain area

  3. Sampling • Using general characteristics of a small group to identify characteristics of a larger group

  4. Abiotic and Biotic • Abiotic: Nonliving things or factors that can affect living organisms – temperature, rain, oceans… • Biotic: Living organisms or factors – plants, animals

  5. Dichotomous Key • A key used to identify a species by its traits

  6. Trophic Level • A level at which a species feeds

  7. Autotrophs and Heterotrophs • Autotrophs: Species that make or produce their own food – plants, algae • Heterotrophs: Organisms that feed at multiple trophic levels– animals, fungi Oh my gosh I’m a heterotroph!

  8. Producers and Consumers • Producers: The organisms that provide energy to an ecosystem • Consumers: Organisms that consume energy from other organisms

  9. Herbivore, Carnivore and Omnivore • Herbivores: Organisms that only eat plants • Carnivores: Organisms that only eat meat • Omnivores: Organisms that eat meats and plants

  10. Decomposers • Organisms responsible for returning nutrients to the ecosystem – bacteria, fungi, mold

  11. Food Chain • Display of specific energy transfers between organisms

  12. Food Web • Shows all the possible food chains in an ecosystem

  13. Symbiosis • Relationship between two organisms

  14. Commensalism, Mutualism, and Parasitism • Commensalism: Form of symbiosis where one organism benefits and the other is neither benefited or harmed • Mutualism: Both organisms benefit • Parasitism: One organism benefits and the other is harmed

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