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What are corals made up of?
Small indivudal animals called polyps.
Describe a polyp.
They have soft, transparent bodies. They have a mouth, stomach and tentacles to catch food.
What’s the difference between warm and cold corals?
Warm polyps eat algae, cold polyps use tentacles to catch plankton.
How do polyps make coral reefs?
As old polyps die, new ones grow on top building coral reefs.
Why are coral reefs important?
Source of food, tourism, jobs and medicine.
Why are coral reefs in danger?
Because of pollution.
Are corals plants or animals?
animals
What are the huge communities corals live in called?
colonies
How old are some coral reefs?
Millions of years old
How many kinds of fish are they home to?
More than 4000
What do scientist predict about coral reefs in the future?
Only 30 perecent will exist in year 2050
