Which best contrasts self-renewal and differentiation?

Self-renewal is a kind of cell division specific to stem cells, so cell division is a general term. When self-renewal occurs, a stem cell divides into two cells, one of which is still a stem cell (which can display differentiation potential into one or more types of differentiated cells (stemness/potency) and divides almost indefinitely = self-renewal), and another is a differentiated cell, which may or may not divide, but its divisions (if any) are not self-renewal because (1) no stem cell (i.e. a cell with developmental potential) is produced, and (2) these divisions are finite (so they are not self-renewal, because self-renewal is indefinite yet controlled proliferation). In sum, self-renewal is a stem cell's 'unlimited' division while retaining its developmental potential.

Of note, stem cell immortality is thanks to the expression of the enzyme telomerase.

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Explanation:

I found it on internet

humans, along with other animals and plants, have linear chromosomes that are arranged in pairs within the nucleus of the cell. the only human cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.