Coral Reefs

Which marine environment has the most biodiversity?

Coral Reef

• Sandy Beach

• Rocky Coast

• Estuary

• Coral Reef

Coral Reefs are found in shallow, clear, warm water because there is

• lots of sunlight for the symbiotic algae (zooxanthellae) that live with the polyps

• the temperature is just right

• not la lot of sunlight for the symbiotic algae (zooxanthellae) that live with the polyps

• all of these choices are correct

A coral polyp is actually

an animal found in Phylum Cnidaria

• a plant found in Phylum Bryophyta

• an animal found in Phylum Chordata

• a plant found in Phylum Angiospermophyta

• an animal found in Phylum Cnidaria

Large Reefs can be found near (check all that apply)

• off the coast of Maine

• off the coast of Belize in Central America

• in the Caribbean

• the Florida Keys

• Australia

Hard corals include (check all that apply)

• elk horn

• staghorn

• brain coral

• table coral

• fan coral

Reef inhabitants include

• sharks, sea stars, people, dogs, moray eels

• parrot fish, butterfly fish, sponges, worms, sharks

• parrot fish, butterfly fish, sponges, cats

What percentages

of the ocean is taken up by coral reefs?

• less than 1%

• 10-12%

• 25%

• more than 50%

What percentage of the ocean's sea life lives in coral reefs?

• 10-15%

• 20%

• 25%

• 40%

What are the two kinds of coral?

• Blue and yellow

• Hard and slimy

• Soft and delicate

• Hard and soft

The 1 substance coral need from seawater to make their hard skeletons :

• Calcium

• Polyps

• Carbon dioxide

• Excess nutrients