Reproduction in which one parents is involved is called asexual reproduction,, eg- yeast cell, fragmentation, bacteria, hydras 
reproduction in which two parents are involved is called sexual reproduction eg- animals, birds , humans 
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Sexual reproduction:
It involves fusion of male and female gametes.
It includes two or more parents.(male and female)
The offspring that is born is not identical to the parents.
Asexual reproduction:
It does not involves fusion of gametes.
It involves only a single parent.
The offspring that originate from the parent will be identical or similar to that of the parent.
It has many types like vegetative propagation,Budding,stem cutting,spore  reproduction.
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