Coral Reefs

What are coral reefs often compared to?

• forests

• gardens

• rainforests

• deserts

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

• 10 -15%

• 20%

• 45%

• 25%

Coral reefs are endangered by

• climate change

• overfishing

• pollution

• all of the above

Tags

NGSS.HS-LS2-6

What causes coral bleaching?

• oil spills

• warmer water temperatures

• overfishing

• red tide

Tags

NGSS.MS-LS2-4

What builds up over time to form a reef?

• Sand
• Coral skeletons
• Fish bones
• Rocks

Tags

NGSS.MS-LS2-3

What are the two kinds of coral?

• Blue and yellow
• Hard and slimy
• Hard and soft
• Soft and delicate

What is the cause of coral bleaching.

• Space Heaters

• Pollution

• Hot air

• Global Warming

Tags

NGSS.MS-ESS3-5

The purpose of a polyp’s tentacles is to ___________ .

• trap algae

• attract a mate

• catch tiny animals

• fight off predators

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

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

• no good reason, it just feels nice

• all of these choices are correct

Coral polyps build their homes out of

• carbon dioxide

• calcium carbonate

• calcium manganese

• carbon monoxide