Differences between alimentary canal of bird and grasshopper
Answers
Explanation:
SIMILARITIES AND DIFFERENCES BETWEEN THE ALIMENTARY CANALS OF A BIRD AND THAT OF GRASSHOPPER. The similarities include the following: Both have narrow oesphagus. Crop is present in both organisms.
BIRD GRASSHOPPER
presence of tongues is absent
tongues
I mouth
Answer:
BIRD -
Due to behavioral and dietary adaptations, the digestive tract is complex and different from mammals. • The tract consists of the beak, mouth,
tongue, pharynx, oesophagus, crop, proventriculus, gizzard, small intestine, caeca, rectum, cloaca.
• Teeth are absent in the mouth, jaws
are covered by beaks.
The oesophagus is long and narrow and shows peristalsis movement to swallow large food particles.
The crop is not present in all birds and is for food storage.
• The stomach o * r! gizzard or
proventriculus is muscular and
glandular consisting of small stones for
grinding food.
The small intestine receives bile and digestive enzymes from the associated glands.
• The large intestine is small with a pair of caeca.
• Cloaca is a common opening for digestive, urinary, and reproductive secretions.
GRASSHOPPER -
A long tubular track consisting of foregut, midgut, and hindgut.
• Foregut starts from the mouth that has three appendages for food intake.
The mouth is followed by the pharynx and oesophagus.
They possess and swelled esophageal part called crop to store food.
Gizzard filters and grinds food by the presence of sclerotized teeth.
The stomach or midgut has gastric caeca for digestion and absorption of food.
Hindgut has a small and large intestine consisting of rectal papillae for absorption of water and essential ions.
• The anus is the excretory organ for waste removal.
Explanation:
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