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Coral reefs rely on photosynthesis to produce their food. This means that they are close to the sun so that the sun can help it produce food. The "deep ocean vents" or hydrothermal vents are 7,000 fett underwater and cannot use the sun for it's food. The vents in the water spew out chemicals that the animals and plants there use to survive. Since it's very, very dark, the animals have adapted to living in those conditions. Most animals have lights or are "bioluminescent" meaning that they have some kind of light in their body that can help them see. A well-known example of an animal that uses bioluminescence is a firefly.
ADDED. Essentially the difference is that between living and inert. The coral reef is built up of the exoskeletons of the polyp, a tiny animal. A hydrothermal vent is purely geological: a minerals deposit.
What else can I help you with?
Where are coral reefs?
In the Ocean
What is the difference between coral reefs and deep sea?
How should I know
What level of the ocean do lionfish live in?
Lion fish live in coral reefs. Most coral reefs occur between 100 and 300 feet deep water.
Do coral reefs live in the Atlantic ocean?
yes coral lives in atlantic ocean
Does Dominica have coral reefs?
Most Caribbean islands are without coral reefs. Coral reefs are present in the Pacific Ocean. There is nothing to suggest that Dominica is an exception.
What forms near the shore warm parts of the ocean?
Coral Reefs... Hope that help ^^
Is Pacific Ocean an ecosystem?
No, coral reefs in the ocean are ecosystem
Where are the coral reefs in the Atlantic Ocean?
willy ville
What is the difference between a island and a cay?
a low elavation of land formed from the surface of coral reefs
What are the differences between between coral reefs and ponds?
Coral reefs are salt water Ponds are fresh water
Is there coral in the pacific oecan?
Yes, there are a great many coral reefs in the Pacific Ocean.
What is the difference between jellyfish and coral reef?
Coral Reefs don't really move and jellyfish move around, and sting people. Coral Reefs help other thins in the sea survive, where as jellyfish don't. The jellyfish are just there.
