Which marine organism is unlikely to be affected by ocean acidification?Question 38Answerradiolarianspteropodscoralforaminerfers (forams)
Question
Which marine organism is unlikely to be affected by ocean acidification?
Question 38
Answer
- radiolarians
- pteropods
- coral
- foraminifers (forams)
Solution
Analyzing the Options
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Radiolarians
- Radiolarians are single-celled protists with intricate silica-based shells. While they may face some challenges due to ocean acidification, they often thrive in conditions that would be harsh for other organisms.
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Pteropods
- Pteropods are small marine mollusks known for their calcium carbonate shells. They are highly vulnerable to ocean acidification, which reduces the availability of carbonate ions needed for shell growth.
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Coral
- Corals are sensitive to ocean acidification as it affects their ability to produce calcium carbonate structures (their skeletons). Increased acidification can lead to coral bleaching and increased mortality rates.
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Foraminifera (forams)
- Foraminifera are also prone to the effects of ocean acidification since they rely on calcium carbonate for their shells. Their populations have been documented to decline under changing pH conditions.
Conclusion
Among the options provided, radiolarians are the least likely to be affected by ocean acidification due to their silica-based structures and adaptability in different oceanic conditions.
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