New findings suggest that, due to rising levels of carbon dioxide in the air and an increase in the acidity of the oceans, most coral reefs that exist today will disintegrate by the end of the century. If carbon dioxide levels continue to rise, what is the most likely effect on marine organisms that rely on these reefs for food and shelter? ...?
The correct answer to this question is "Their numbers and diversity will be drastically reduced." This is what most likely be the effect on marine organisms that rely on these reefs for food and shelter. These marine organisms will die off. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.