Coral Reefs

Coral polyps have what type of symbiotic relationship with zooxanthellae?

• Mutualistic

• Predator/Prey

• Commensual

• Parasitic

Coral polyps secrete what mineral?

• carbon calciate

• calcium carbonate

• calcium hydroxide

• carbon hydroxide

Choose all of the necessary envrionmental requirements for coral.

• clear water

• warm waters

• soft bottom

• low nutrient water

• high water circulation

Coral are related to what other organism?

• Jellyfish

• Squid

• oysters

• lobsters

What is the difference between hermatypic and ahermatypic corals?

• hermatypic are soft corals, ahermatypic are hard

• hermatypic corals build reefs, ahermatypic are solitary

• hermatypic corals lack zooxanthellae

• hermatypic corals are saltwater, ahermatypic corals are freshwater

Coral larva are called polyps

• True

• False

Coral polyps have what type of symmetry?

• bilateral

• radial

• infinite

• none

What do corals use to catch food?

• Nematocysts

• they are filter feeders

• they use photsythesis like plants

• radulla

What provides color to the coral?

• pigments in their skin

• the food that they eat

• the zooxanthellae

• minerals in the water

Corals tolerate variation in the ocean environment easily.

• True

• False