Competitive Exclusion Principle: Definition & Example

Instructions:

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

question 1 of 3

Which of the following best describes an ecological niche?

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1. Which of the following is an example of competitive exclusion?

2. A species of pine tree is capable of surviving from Northern Canada down to the Grand Canyon, but is only actually found growing in Northern California and Oregon. Which of the following is the realized niche?

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About This Quiz and Worksheet

Competitive exclusion principle explains what occurs when two species are adapted to live in the same niche. Use this quiz and worksheet before, during, or after the lesson to deepen your understanding of the interactions between competing species.

Quiz and Worksheet Goals

In this assessment, you will be tested on the meaning of:

  • Ecological niche
  • Competitive exclusion
  • Realized niche

Skills Practiced

  • Reading comprehension- ensure that you understood the most significant information about the competitive exclusion principle
  • Information recall- access the knowledge you've gained regarding the interactions between species that are capable of occupying the same niche
  • Knowledge application- use your understanding of the related vocabulary to infer what occurs when species compete for a niche in nature

Additional Learning

To learn more about the principle of competitive exclusion, review the following lesson Competitive Exclusion Principle: Definition & Example, where you will learn to:

  • Define environmental niche and competitive exclusion
  • Differentiate between a fundamental niche and a realized niche
  • Predict outcomes for a losing species during competitive exclusion
  • Apply the principle of competitive exclusion to scenarios in nature
  • Define niche partitioning
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