clams and oysters are examples of invertebrates. which structure in these animals helps protect their…

clams and oysters are examples of invertebrates. which structure in these animals helps protect their internal body parts? shell backbone gills muscles
Answer
Brief Explanations:
Clams and oysters are mollusks. Their hard outer shell provides protection to internal organs. They are invertebrates, so they don't have a backbone. Gills are for respiration and muscles are for movement, not for protection of internal parts.
Answer:
shell