Question

it is described as the number of indiviuals of the same species present in a place​

Answer 1

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Strictly speaking, species diversity is the number of different species in a particular area (species richness) weighted by some measure of abundance such as number of individuals or biomass. However, it is common for conservation biologists to speak of species diversity even when they are actually referring to species richness

Answer 2

It is described as the number of indiviuals of the same species present in a place.

Answer: Population is a group of individuals of the same species occupying a defined area at the same time.