Category : 7th Class
Life appeared on the earth about 3.8 billion year ago and is still continuing. This continuation of life has been made possible only by reproduction. Reproduction not only increases the number of the organisms, but also opens the way for the coming up of new organisms. As a result, the earth is filled with new species of animals and life form has becomes more complex.
The term reproduction is used to mean the development of new life from the existing one. In another word, reproduction is a method by which organisms increase their number in the nature.
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