Coral reefs

Bounderies:40,000 km² of land and sea( Raja Ampat Islands)Biotic:-Dolphins-Sponges -Fish-Starfish-Seaweed-Shrimp-SharksAbiotic:-Water-Sand-Oxygen-Waves-Rocks

Plant Species

Animal Species

Coral Reefs

Marine Ecosystem

Raja Ampat Islands: Coral Reef

By: Faith Brown

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Trophic Levels

Food Web

How Coral Reefs are Formed

Primary Productivity

Functions: Coral reefs rely on a biotic and abiotic factors to keep them healthy and functional. Without stable temperature, pH, light/dark cycles, water flow, salinity, and chemical composition of sea water, coral reefs could not exist, but without a stable trophic cascade, coral reefs could not survive.

Structure: Coral reefs are structured by calcium carbonate secreted by corals. Coral reefs are colonies of tiny animals found in marine waters that contain few nutrients.