Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system
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Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system
✓ Correct answer: a) Aves
ExplanationThe correct answer is Option A: Aves.Birds (Aves) have a specialized digestive system that includes: Crop – A pouch-like enlargement of the esophagus used to store and soften food before digestion.Gizzard – A muscular stomach that grinds food, often with the help of ingested stones, since birds lack teeth.These adaptations help birds efficiently process food to meet their high energy requirements for flight.Reptiles and amphibians have simpler digestive systems without both crop and gizzard.Osteichthyes (bony fishes) also lack these structures.Thus, the presence of both crop and gizzard is a defining feature of birds.
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