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Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system

Aves
Reptilia
Amphibia
Osteichthyes
Explanation:

The digestive tract of Aves has additional chambers in their digestive system as crop and Gizzard. Crop is concerned with storage of food grains. Gizzard is a masticatory organ in birds used to crush food grain.
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