What are corals primarily composed of?

Coral Reefs and Climate Change

Interactive Video
•
Biology
•
9th - 10th Grade
•
Hard

Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Magnesium sulfate
Sodium chloride
Calcium carbonate
Silicon dioxide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do zooxanthellae algae play in the life of corals?
They help corals move.
They give corals their color and provide food through photosynthesis.
They offer protection from predators.
They provide structural support.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to corals during the bleaching process?
They grow faster.
They expel zooxanthellae algae and lose their color.
They become more colorful.
They start to reproduce more.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a major human cause of coral bleaching?
Mining
Water pollution
Deforestation
Overfishing
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does climate change contribute to coral bleaching?
By increasing ocean acidity
By reducing ocean currents
By increasing ocean temperatures
By decreasing ocean salinity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one ecological impact of coral bleaching?
Improved water quality
Increased fish populations
Enhanced coral growth
Disruption of ocean food chains
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do coral reefs help protect shorelines?
By reducing water temperature
By attracting predators
By acting as natural breakwaters
By increasing wave energy
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