Question

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Ques. Give at least 4 features of metatherians??

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Answer 1

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✏️. Metatherians
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❤. These are pouched animals ( with marsupium, so called marsupials) amd viviparous. imperfectly developed memmary foetus is nursed by the female in the marsupium.

❤. uterus and vagina are double.

❤. generally have yolk sac placenta

❤. mammary glands and nipples present

❤. anus and Uriinogenital apertures are controlled by a common Sphincter

❤. Examples : Macropus ( kangaroo ), Didelphis ( opossum)

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Answer 2

Features are as follows :

1. Uterus and vagina are double.

2. Generally have y'all sac pacenta.

3. Mammary glands are present .

4. Anus are controlled by sphinctes.

5. Example :

- Macropus
- Didelphis.