Answer:
The correct answer is - reef corals and other calcareous organisms.
Step-by-step explanation:
Acidification of the ocean is the continuous uptake of carbon dioxide from the atmosphere and reducing the pH of the water of the ocean. The acidification and warmth due to increasing the carbon dioxide in water cause harmful effects on the life of all marine life.
It affects coral reefs and other calcareous organisms as well as other organisms. These calcareous organisms required more efficiency to repair their cells or have to thickening of layers to survive in case of acidification of the ocean or to