Corals

National Geographic - "Corals"

National Ocean Service - "Are Corals animals or plants?"

Ocean Wise - short videos "What is Coral?" "What's Killing our Coral?"

PBS Bishop Museum - Chapter 1 "What is a Coral?" 

Smithsonian National Museum of Natural History - "What is a Coral?"

Coral Reef

Defenders of Wildlife - "Basic Facts about Coral Reefs"

National Geographic - Video "Coral Reefs"

Smithsonian National Museum of Natural History - "Coral and Coral Reefs"

WWF Global - "Coral Reefs"