What is coral bleaching?

Coral Reefs and Ocean Acidification Review Questions

Flashcard
•
Science
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Coral bleaching is the expulsion of algae from coral tissues, turning them white, and it can lead to the death of corals and loss of marine biodiversity.
2.
FLASHCARD QUESTION
Front
What is the typical pH range of seawater?
Back
The typical pH of seawater is between 7.8 and 8.3.
3.
FLASHCARD QUESTION
Front
What percentage of the world's coral reefs are at risk from climate change?
Back
Over 90% of the world's coral reefs are at risk from climate change.
4.
FLASHCARD QUESTION
Front
What is a radula?
Back
A radula is a tooth-like structure used in feeding by certain marine organisms.
5.
FLASHCARD QUESTION
Front
How does ocean warming affect marine ecosystems?
Back
Ocean warming reduces oxygen levels and causes species to migrate to cooler waters.
6.
FLASHCARD QUESTION
Front
What are the main causes of coral bleaching?
Back
The main causes of coral bleaching include increased water temperature, pollution, and ocean acidification.
7.
FLASHCARD QUESTION
Front
What is ocean acidification?
Back
Ocean acidification is the decrease in pH of ocean water due to the absorption of excess atmospheric CO2.
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