Coral reefs can not survive in water having
temperature?
O Less than 22 degree centigrade
O Less than 24 degree centigrade
O Greater than 20 degree centigrade
O At 26 degree centigrade
Answers
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4
Answer:
Because of strict environmental restrictions, coral reefs generally are confined to tropical and semi-tropical waters. Reef-building corals cannot tolerate water temperatures below 64° Fahrenheit (18° Celsius).
Explanation:
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Coral reefs can not survive in water having a temperature less than 22° centigrade.
- Corals usually grow well in warm water.
- Coldwater conditions are not favorable to their growth.
- Most corals feed on phytoplankton and dinoflagellates that live among them for nutrition.
- These organisms can survive only in the presence of sunlight.
- Thus the survival of corals indirectly depends on the presence of sunlight. This is why they cannot survive in colder regions.
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