Reproduction of a viviparous animal in a terrestrial medium 7

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Animals whose embryo develop inside the mother’s uterus is called:

The female mouse carries in her fetus:

Umbilical cord gives the embryo ( from mother’s blood):

The development of a young which resembles its parents at birth is called:

The organ which insures the exchange between the maternal blood and the embryo is called:

Organ which connects the embryo to the mother’s placenta:

The young mice develop in:

The development of mouse is :