Multiple choice

Competition for food, space and light is probably most severe between two

  1. unrelated species occupying different niche

  2. closely related species occupying the same niche

  3. unrelated species occupying the same niche

  4. closely related species occupying different niche
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Competition is most severe between closely related species occupying the same niche because they have similar resource requirements and directly compete for identical resources. This follows the competitive exclusion principle.

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