Red worms have a structure named _______ which helps them in grinding their food.

Options

A. Intestine
B. Crop
C. Esophagus
D. Gizzard

Answer

D

Explanation

Food passes through the esophagus, then moves into the crop where it is stored and then eventually moves into the gizzard.
• Gizzard is a muscular chamber where mechanical digestion occurs.
• Here the food is pulverized with the aid of small bits of sand and gravel