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This is a coral reef ecosystem. Many biotic and abiotic factors affect the health of this ecosystem. Which set correctly pairs a biotic factor and an abiotic factor?

This is a coral reef ecosystem Many biotic and abiotic factors affect the health of this ecosystem Which set correctly pairs a biotic factor and an abiotic fact class=

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MrCheck

First, we have to know the definition of the following vocabulary terms:

Abiotic = non-living

Biotic = living

Then, it's just a matter of seeing which answer choice has both a living organism and a non-living part of the ecosystem.

Correct Answer:

Algae and sunlight

  • Algae is actually a living organism called a protist, which uses sunlight in a process called photosynthesis to create its own "energy" (just like plants).
  • Sunlight is nonliving, but it is still an important part of the ecosystem especially for photosynthetic organisms like algae.

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