In which of the following processes does mitosis play a vital role? 1. the production of gametes for sexual reproduction 2. the production of new body cells to replace old cells 3 the production of additional embryonic cells following fertilization

2. the production of new body cells to replace old cells

Mitosis is a form of cell division that results in two daughter cells that are identical (genetically) to each other and to its original cell. It plays a vital role in the life cycle of most living things.

In single-celled (unicellular)  organisms such as bacteria, mitosis is a type of asexual reproduction, making identical copies of a single cell.

In multicellular organisms, mitosis produces new cells to replace old cells and promote growth and repair. 

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.