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Mating and Fertilization

Complete the following table. Some of the boxes are empty, you should try to fill them in. The first line has been completed for you.

Type of Animal	Example	Type of Fertilization	Where does the Fertilized egg develop?	Care of the Offspring by the Parents
Fish	Herring	External, in the water	In the water	None
?	Frog	?	?	None
?	Snake	?	On land, often buried in moist sand	Sometimes protected
Bird	?	Internal, inside the female	?	?
Mammals	?	?	?	Provide warmth, protection, food (milk) and teaching

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