Podcast
Questions and Answers
What are some threats faced by coral reefs mentioned in the text?
What are some threats faced by coral reefs mentioned in the text?
- Higher levels of freshwater in the ocean
- Decreased sedimentation
- Increased levels of oxygen in seawater
- Exposure to ultraviolet radiation and pollution (correct)
How do tourists sometimes negatively impact coral reefs?
How do tourists sometimes negatively impact coral reefs?
- By planting more corals
- By participating in reef cleanup activities
- By respecting marine life and habitat
- By touching corals and disturbing other animals (correct)
What is a consequence of overharvesting fish in coral reefs?
What is a consequence of overharvesting fish in coral reefs?
- Growth of fish population
- Decrease in sedimentation levels
- Break up of reef sections and destruction of corals (correct)
- Increase in coral population
How do fishers sometimes catch reef animals, causing harm to the reefs?
How do fishers sometimes catch reef animals, causing harm to the reefs?
What efforts are mentioned in the text to protect coral reefs?
What efforts are mentioned in the text to protect coral reefs?
What binds and cements shelly and calcareous organisms together on coral reefs?
What binds and cements shelly and calcareous organisms together on coral reefs?
What type of coral reef is formed when the reef is separated from the land by a shallow lagoon?
What type of coral reef is formed when the reef is separated from the land by a shallow lagoon?
Which feature distinguishes a fringing reef from other types of coral reefs?
Which feature distinguishes a fringing reef from other types of coral reefs?
In what ocean can the largest island of coral formation, Kiritimati Atoll, be found?
In what ocean can the largest island of coral formation, Kiritimati Atoll, be found?
What type of marine plants help trap and stabilize sediment on coral reefs?
What type of marine plants help trap and stabilize sediment on coral reefs?
What characteristic do all types of coral islands share?
What characteristic do all types of coral islands share?
What are corals?
What are corals?
How do corals build the main structural framework of a growing reef?
How do corals build the main structural framework of a growing reef?
Why are coral reefs compared to rainforests?
Why are coral reefs compared to rainforests?
What role do coral reefs play in the economy of a region?
What role do coral reefs play in the economy of a region?
Why are coral reefs important for marine organisms?
Why are coral reefs important for marine organisms?
What do certain species of fish use coral reefs for?
What do certain species of fish use coral reefs for?
What is the main function of coral reefs mentioned in the text?
What is the main function of coral reefs mentioned in the text?
Where are the largest coral reefs primarily found?
Where are the largest coral reefs primarily found?
Why do reef-building corals need to live in relatively shallow ocean waters?
Why do reef-building corals need to live in relatively shallow ocean waters?
What is the role of zooxanthellae in coral reefs?
What is the role of zooxanthellae in coral reefs?
At what depth do reef-building corals grow best?
At what depth do reef-building corals grow best?
Why do certain corals in colder climates not form reefs?
Why do certain corals in colder climates not form reefs?
What is the distinguishing feature of fringing reefs compared to barrier reefs and atolls?
What is the distinguishing feature of fringing reefs compared to barrier reefs and atolls?
Which organism is known to decimate coral reefs by feeding on their soft tissues?
Which organism is known to decimate coral reefs by feeding on their soft tissues?
What environmental event can cause corals to eject the zooxanthellae algae and turn white?
What environmental event can cause corals to eject the zooxanthellae algae and turn white?
What is the major issue associated with coral-rock borers mentioned in the text?
What is the major issue associated with coral-rock borers mentioned in the text?
Which type of reef has no visible relationship to any land?
Which type of reef has no visible relationship to any land?
What is one possible consequence if the zooxanthellae algae do not return to the corals after bleaching?
What is one possible consequence if the zooxanthellae algae do not return to the corals after bleaching?
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