How does the changing pH affect animals that live in the ocean?

Answer

The ability of some fish, like clownfish, to detect predators is decreased in more acidic waters. A sudden drop in pH can as cause medical issues, such as comas and seizures in oceanic life. Fish's skeletons are also sensitive to acidity, so their development may be impacted as well.

the trilobite is used as an index fossil for various geologic time periods as specific types of the trilobites were present in different geological time periods. they are a group of marine arthropods belonging to the class of trilobita.

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