The scale that is used to decribe how acidic or basic a solution is is called the pH scale. The acidity of environments within a living systems has a strong effect on enzymes within those systems, which serve as catalysts for chemical reactions within the body.
sponges, crabs, sea stars, snails, worms, and fishes.
Explanation:
The animal groups with larvae in the plankton include, sponges, crabs, sea stars, snails, worms, and fishes. These tiny larvae are not the only ones out there floating around in the plankton.