In which of the following animals the embryos develop fully inside the mother's body and in which they develop fully in the eggs laid by mother?
Cow, Ostrich, Frog, Lizard, Deer, Cat, Snake, Tiger, Dog, Hen
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Solution
The animals which develop inside the mother's body are cow, deer, cat, tiger, dog.
Animals which develop inside eggs which the mother lays are ostrich, frog, lizard, snake, hen.