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Ecosystems Vocabulary

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Ecosystems Vocabulary - PowerPoint PPT Presentation


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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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population
Population
  • A grouping of the same species in a certain area
sampling
Sampling
  • Using general characteristics of a small group to identify characteristics of a larger group
abiotic and biotic
Abiotic and Biotic
  • Abiotic: Nonliving things or factors that can affect living organisms – temperature, rain, oceans…
  • Biotic: Living organisms or factors – plants, animals
dichotomous key
Dichotomous Key
  • A key used to identify a species by its traits
trophic level
Trophic Level
  • A level at which a species feeds
autotrophs and heterotrophs
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!

producers and consumers
Producers and Consumers
  • Producers: The organisms that provide energy to an ecosystem
  • Consumers: Organisms that consume energy from other organisms
herbivore carnivore and omnivore
Herbivore, Carnivore and Omnivore
  • Herbivores: Organisms

that only eat plants

  • Carnivores: Organisms

that only eat meat

  • Omnivores: Organisms that eat meats and plants
decomposers
Decomposers
  • Organisms responsible for returning nutrients to the ecosystem – bacteria, fungi, mold
food chain
Food Chain
  • Display of specific energy transfers between organisms
food web
Food Web
  • Shows all the possible food chains in an ecosystem
symbiosis
Symbiosis
  • Relationship between two organisms
commensalism mutualism and parasitism
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