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Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.

overview

Corals and Coral Reefs

Coral reefs are the most diverse of all marine ecosystems. They teem with life,...

April 2018

A shell placed in seawater with increased acidity slowly dissolves over 45 days.

overview

Ocean Acidification

Ocean acidification is sometimes called “climate change’s equally evil twin,”...

April 2018

Seagrasses are flowering plants that can form dense underwater meadows and are an important shallow water habitat.

overview

Seagrass and Seagrass Beds

Seagrasses are found in shallow salty and brackish waters in many parts of the...

April 2018