Coral Reefs Quiz

What term describes corals in the order Scleractinia that build reefs by depositing hard calcareous material for their skeletons?

• Ahermatypic

• Planula

• Hermatypic

• Algal ridge

What is the term for corals that do not produce a rigid calcium carbonate skeleton and do not form reefs?

• Hermatypic

• Ahermatypic

• Planula

• Fringing reefs

What is a planula?

• A process of removing hard substances by animals

• A ridge of coralline algae

• A free-swimming coelenterate larva with a flattened, ciliated, solid body

• A coral reef that lies close to the shore

What does the term 'algal ridge' refer to?

• A process of removing hard substances by animals

• A ridge of coralline algae found on the outer edge of some coral reefs

• A free-swimming coelenterate larva

• A coral reef that lies close to the shore

What is bioerosion?

• Whitening by exposure to sunlight or by a chemical process

• A coral reef that lies close to the shore

• A process of removing hard substances by animals or other organisms slowly through actions such as drilling, burrowing or grazing

• Occurring optionally in response to circumstances rather than by nature

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What does 'bleaching' refer to in the context of coral reefs?

• A process of removing hard substances by animals

• A ridge of coralline algae found on the outer edge of some coral reefs

• Whitening by exposure to sunlight or by a chemical process

• A coral reef that lies close to the shore

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

What are 'fringing reefs'?

• A process of removing hard substances by animals

• A ridge of coralline algae found on the outer edge of some coral reefs

• Whitening by exposure to sunlight or by a chemical process

• A coral reef that lies close to the shore

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What does 'facultative' mean?

Tags

NGSS.HS-LS2-3

What does 'leeward' mean?

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What are obligate symbionts?

• Organisms that need to live in association with a symbiont to survive

• A process of removing hard substances by animals

• A ridge of coralline algae found on the outer edge of some coral reefs

• A coral reef that lies close to the shore