AP BIOLOGY

Detailed explanation-1: -A crop is a thin-walled expanded portion of the alimentary tract used for the storage of food prior to digestion that is found in many animals, including gastropods, earthworms, leeches, insects, and birds.

Detailed explanation-2: -Stomach. The stomach stores swallowed food and liquid, mixes the food and liquid with digestive juice it produces, and slowly empties its contents, called chyme, into the small intestine.

Detailed explanation-3: -Birds. In a bird’s digestive system, the crop is an expanded, muscular pouch near the gullet or throat. It is a part of the digestive tract, essentially an enlarged part of the esophagus.

Detailed explanation-4: -A crop (sometimes called a croup or craw) is a thin-walled expanded portion of the alimentary canal used for storing food before digestion. It is found in many animals. It occurs in birds, some dinosaurs, and invertebrate animals such as gastropods (snails and slugs), earthworms, leeches, and insects.

Detailed explanation-5: -birds. …the stomach forms a thin-walled crop, which is the bird’s principal organ for the temporary storage of food. Some birds use the crop to carry food to their young.