Autotrophs |
Heterotrophs |
Organisms that use sunlight or stored energy to make their own food. Five major autotrophs that inhabit the Great Barrier Reef are 15 species of Seagrasses, Mangroves, Algae, Macroscopic/Microscopic Algae, and Benthic diatoms.There are also many different algae including green, red, and brown algae.
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Organisms that rely on other organisms for energy and food supply. The Great Barrier Reef consists of many corals, it is also home to: 6 species of sea turtles 17 species of sea snakes 134 species of sharks 215 species of birds 411 types of hard coral and 1/3 of the world's soft corals, and more than 1,500 fish species
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Decomposers/Detritivores
Organisms break down organic matter. Fan worms, Sea cucumbers, Snails, Crabs Shrimp, Bristle worms, and bacteria