Question

What are coral reefs, forests, and ponds examples of?

Answer 1

All three are examples of ecosystems.

Explanation:

Coral reef ecosystem: https://socratic.org/questions/name-the-marine-ecosystem-which-are-very-rich-in-biodiversity?source=search

Pond ecosystem: https://socratic.org/questions/what-is-an-example-of-a-niche-in-a-pond-freshwater-ecosystem?source=search&answerEditSuccess=1

Forest ecosystem: https://socratic.org/questions/what-is-the-most-complex-ecosystem-in-the-world?source=search&answerEditSuccess=1