Gene flow does not promote speciation, whereas season of fertility, natural selection, and genetic drift do.
It acts as a reactant in a chemical reaction.
Answer:
Cells are the basic unit of a living organism and where all life processes are carried out. Animal cells and plant cells share the common components of a nucleus, cytoplasm, mitochondria and a cell membrane. Plant cells have three extra components, a vacuole, chloroplast and a cell wall.
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