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Mention two similarities between (a) A...

Mention two similarities between
(a) Aves and mammals
(b) A frog and a crocodile
(c) A lizard and a snake

Text Solution

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a. Aves and mammals : 1. Aves and mammals are Triploblaste and bilateraly symmetrical.
2. Heart is four chambered in both.
b. A frog and a crocodile : 1. Erythrocytes are nucleate in both.
2. Frog and crocodile are uriotelic animals.
c. A lizard and a snake : 1. Lizard and snakes are reptilial animals.
2. Heart is incompletely four-chambered.
3. Jacobson.s organs, the highly developed specialized olfactor structures are present.
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