Reproduction

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Reproduction is necessary for continuation and perpetuation of life because it produces offsprings. Without reproduction, a species cannot continue from one generation to the next.

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Reproduction is of two types: sexual reproduction and asexual reproduction. Sexual reproduction involves fusion of gametes, while asexual reproduction occurs with a single parent and no gamete fusion.

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Binary fission is a type of asexual reproduction in which a single organism splits into two daughter organisms. It occurs in Paramoecium and bacteria under favourable conditions.

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Under favourable conditions, Paramoecium reproduces rapidly by binary fission. Under unfavourable conditions, two Paramoecia come in contact and exchange nuclear material by conjugation, producing for…

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Multiple fission is a type of asexual reproduction in which one parent organism divides into many daughter cells at once. It is different from binary fission because more than two cells are formed.

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Budding is a type of asexual reproduction in which a bud grows on the body of the parent, develops into a nearly identical copy, and then separates to live independently. Yeast is a common example.

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Fragmentation is a mode of asexual reproduction in which the body of the parent breaks into pieces and each piece grows into a new individual. It occurs in simple organisms such as flatworms, molds, l…

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Parthenogenesis is the development of young ones from unfertilized gametes. It occurs in some plants and also in animals like ants, bees, and wasps.