Question

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Answer 1

answer 1...

Life expectancy represents the average number of years that a group of persons, all born at the same time, might be expected to live, and it is based on the changing death rate over many past years. The concept of life span implies that there is an individual whose existence has a definite beginning and end.

answer 2..

The body cells of plants and animals are clones ultimately derived from the mitosis (cell reproduction) of a single fertilized egg. More narrowly, a clone can be defined as an individual organism that was grown from a single body cell of its parent and that is genetically identical to it

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Answer 2

Answer:

The exact copy of one another can be called clones.