Scientists+claim+that+a+healthy+coral+reef+is+rich+in+biodiversity.+Which+observation+provides+the+strongest+evidence+for+this+claim

Question

1. The+coral+reef+is+built+on+the+skeletons+of+coral+animals.
2. Coral+reefs+depend+on+clear+ocean+water+that+transmits+light.
3. Coral+reefs+form+only+in+warm+shallow+ocean+waters+typically+near+coastlines.
4.Coral+reefs+provide+food+and+shelter+for+many+ocean+animals+including+corals+anemone+clams+and+fish.

Answer 1

The observation that provides the strongest evidence for the claim that a healthy coral reef is rich in biodiversity is:

4. Coral reefs provide food and shelter for many ocean animals including corals, anemones, clams, and fish.

This statement directly indicates the presence of a variety of species (biodiversity) that rely on coral reefs for survival, thus supporting the claim about their richness in biodiversity.