Question

what do you mean by ageing,life span and sencencs
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Answer 1

• Ageing is the process of becoming older. The term refers especially to human beings, many animals, and fungi, whereas for example bacteria, perennial plants and some simple animals are potentially biologically immortal. In the broader sense, aging can refer to single cells within an organism which have ceased dividing (cellular senescence) or to the population of a species (population ageing).

• Life span is the length of time for which a person or animal lives or a thing functions.

• Senescence or biological aging is the gradual deterioration of functional characteristics. The word senescence can refer either to cellular senescence or to senescence of the whole organism. Organismal senescence involves an increase in death rates and/or a decrease in fecundity with increasing age, at least in the latter part of an organism's life cycle.

Explanation:

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Answer 2

Answer:

Hey mate..... ur answer is as follows....

Explanation:

Ageing means the process of becoming older.This process especially happens in humans.

Life span means the longest period over which the life of any organism is likely to live.....