What are coral reefs primarily composed of?
I WONDER - Is A Coral Reef An Ecosystem? Me Pregunto - Es Un Arrecife De Coral Un Ecosistema?

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Geography, Science, Biology
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KG - 12th Grade
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seaweed
Sand
Living creatures
Dead rocks
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following organisms do NOT typically use coral reefs as their home?
Elephants
Crabs
Starfish
Sponges
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of coral reefs in the ocean ecosystem?
They filter ocean water
They produce oxygen
They serve as habitats for marine life
They regulate ocean temperature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a significant threat to coral reefs?
Tourism
Overfishing
Climate change
Pollution
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which coral reef is known as the oldest system in the world?
Red Sea Reef
Caribbean Reef
Hawaiian Reef
Great Barrier Reef
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