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TYPES OF BEAKS IN BIRDS The presence of a beak or bill is the characteristics of the bird. Beak or Bill is an elon... -
DIGESTIVE SYSTEM OF RAT 1. Digestive system consists of alimentary canal and digestive glands. 2. Alimentary canal is made up of... -
V. S. of TOOTH of Mammal 1. Teeth are present in bucal cavity. 2. Tooth is distinguished in to crown, neck and root. 3. ...