Question

Barnacles and corals are two types of animals that live in the ocean. Both animals build a hard layer of calcium carbonate around their soft body parts. What is the MOST LIKELY reason that they build these layers?

Answer 1

Answer:They do this so they can be safe from predators.

Step-by-step explanation: They make this hard layer so it can help protect the vulnerable soft parts of their body from other fish or mammals.