science
Grade-5
Easy

Question

Which of the following would be an example of ecological balance? 

  1. A predatory bat species that do not have a nesting habitat
  2. A predatory bat species that help keep mosquito populations in check
  3. A bat species that migrates to a new ecosystem
  4. An individual bat that does not survive because of winter conditions

hintHint:

In a balanced ecosystem, an interdependence of each factor exists.

The correct answer is: A predatory bat species that help keep mosquito populations in check


    A predatory bat species that does not have a nesting habitat will not be able to reproduce. Hence, this is not a balanced ecosystem.
    A predatory bat species that help keep mosquito populations in check is a balanced ecosystem.
    A bat species that migrates to a new ecosystem is not a balanced ecosystem.
    An individual bat that does not survive because of winter conditions is not a balanced ecosystem.
    Hence, (B) is the correct answer.

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