Question

Sort the steps involved in the nutrition of a starfish.

• A. Opens the shell of prey
• B. Food is slowly digested
• C. Stomach goes back
• D. Pops out its stomach

Answer 1

• A starfish feeds on animals covered by hard shells of calcium carbonate.

• After opening the shell, the starfish pops out its stomach through its mouth to eat the soft animal inside the shell.

• The stomach then goes back into the body and the food is slowly digested.