Q. 64.3( 29 Votes )

Write about the deve

Answer :

In case of hen fertilization is internal
The zygote formed travels down the oviduct as it travels down the oviduct protective layers are formed around the eggA hard shell is formed around the egg After the egg is laid it takes at least 3 weeks for the embryo to develop into a chick The embryo develops inside the egg shell The chick provide sufficient warmth to the egg

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