Question

If death is defined as the cessation of all the vital life processes, then why are not single celled organisms said to have natural death? Even after the cell division or binary fission, the life processes that constitute that particular organisms ends.

Answer 1

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Unicellular organisms mostly reproduce by the means of cell division

When the parent cell divides it forms daughter cells depending upon the means of asexual reproduction. For instance,two in binary fission

Genome of an organism is the basic evidence of its existence. When the cell divides,the DNA is passed on to the successive generations. Thus,the organism is indirectly said to be alive

Answer 2

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Conservation of momentum, general law of physics according to which the quantity called momentum that characterizes motion never changes in an isolated collection of objects; that is, the total momentum of a system remains constant.