User:Jeffreywessel22/sandbox

[Ocean}

Comprehensiveness (0-10): 9 Sourcing (0-6): 5 Neutrality (0-3): 3 Readability (0-3): 2 Formatting (0-2: 2 Illustrations (0-2): 1

Coral reefs are structures made of calium carbonate secreted by corals. Coral reefs form some of the most diverse ecosystems in the world, and are commonly called "rainforests of the sea."

Coral reef in Mexico.

Paula reef.

Conserving reefs.

Protecting coral reefs.

Coral reefs.

Defense.