Multiple choice

What can a limiting factor be?

  1. abiotic

  2. biotic

  3. an increase or decrease in size of populations

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Limiting factors can be non-living physical or chemical elements (abiotic, like water and temperature) or living components of an ecosystem (biotic, like food and predators). They directly regulate the increase or decrease of population sizes.

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