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Question
Reptiles share which of the following character with birds and mammals?
Reptiles share which of the following character with birds and mammals?
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Solution
The correct option is A Amnion
The embryos of reptiles, birds and mammals have 4 extraembryonic membranes, the amnion, yolk sac, chorion, and allantois.1) Amnion protects the embryo in a sac filled with amniotic fluid. 2) Yolk sac contains yolk that is a source of food. 3) Chorion participates in the exchange of gases between the embryo and the outside environment.4) Allantois stores metabolic wastes of the embryo. Thus, the correct answer is option A.
The embryos of reptiles, birds and mammals have 4 extraembryonic membranes, the amnion, yolk sac, chorion, and allantois.
1) Amnion protects the embryo in a sac filled with amniotic fluid.
2) Yolk sac contains yolk that is a source of food.
3) Chorion participates in the exchange of gases between the embryo and the outside environment.
4) Allantois stores metabolic wastes of the embryo.
Thus, the correct answer is option A.
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