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Factors that Affect Animal Population Size

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Which of these is likely to hurt one population but help another?

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1. Which of these is most likely to help two populations of animals that interact with one another?

2. All else held equal, as a mouse population booms, we can predict that its predators, such as owls:

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About This Quiz & Worksheet

There are a number of factors to consider when trying to figure out how large of a population a given habitat can sustain. Use this assessment to discover how much you know about these factors. The effect predators can have on animal populations will be covered.

Quiz & Worksheet Goals

This assessment will test your knowledge of:

  • Two populations of animals that have interaction with one another
  • How the population of one species can affect the population of another
  • What types of habitats can sustain larger populations

Skills Practiced

This assessment will also provide you with a good way to test your skills of:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on animal population sizes
  • Knowledge application - use your knowledge to answer questions about how populations can hurt each other
  • Making connections - use understanding of the energy flow in ecosystems to understand why different habitats can sustain larger populations than others

Additional Learning

Review the lesson, Factors that Affect Animal Population Size, for a quick review of the topics of the assessment and:

  • The relationship between light and nutrition
  • How an animal's niche can affect population size
  • Effects competition has on population size
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