What enters the cell and becomes part of the cell's hereditary material without destroying the cell or replacating?

How does natural selection change thephenotypes within a population over time?

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast