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Coral Reefs

Definition

Coral reefs are diverse underwater ecosystems formed by colonies of tiny animals called coral polyps. They thrive in warm, shallow waters with clear sunlight and provide habitat for numerous marine species.

Related terms

Bleaching: Coral bleaching occurs when corals expel their symbiotic algae due to stressors like increased water temperature or pollution. This leads to their white appearance and can result in coral death if prolonged.

Biodiversity Hotspot: Coral reefs are considered biodiversity hotspots due to their high species richness and endemism. They support an incredible array of marine life, including fish, crustaceans, mollusks, and many others.

Ocean Acidification: Ocean acidification is the ongoing decrease in pH levels of seawater caused by increased absorption of carbon dioxide from human activities. It poses a threat to coral reefs as it inhibits their ability to build calcium carbonate structures necessary for growth.

"Coral Reefs" appears in:

Study guides (1)

  • AP Environmental Science - 1.3 Aquatic Biomes

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About Us

About Fiveable

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Terms of Use

Privacy Policy

CCPA Privacy Policy

Resources

Cram Mode

AP Score Calculators

Study Guides

Practice Quizzes

Glossary

Cram Events

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Crisis Text Line

Help Center

© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.