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Ecosystems Practice Test

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  • What kind of limiting factor are predators? Abiotic or biotic?
    Biotic
  • What happens to a population of organisms if there isn’t enough food?
    The population will decrease/organisms will die
  • What is the definition of limiting factors?
    Resources that limit how many organisms can live in an area
  • What is the definition of population?
    A group of the same species living in an area
  • What is the definition of Carrying Capacity?
    Largest number of organisms an environment can support
  • What happens to a population when it reaches its carrying capacity?
    It stays about the same size
  • What causes competition within a population?
    Lack of resources: Food, water, space
  • Why is space important in an Ecosystem?
    Organisms need a place to live, grow, raise their young, find resources
  • What are some examples of limiting factors?
    Food, water, space
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