Answer:
Cells come from other living cells
All living things are composed of one or more cells
The cell is the basic unit of life.
The first scientific discovery is the epigenetic variation where it describes the deviation in the chemical tags that attach to DNA which affect how genes are read. Theses tags are called epigenetic markings that act as switches that control how genes can be read. Another essential discovery on human variation is the genetic variability, which measures the tendency of individual genotypes in a population to become different from one another. In addition, the variability of a trait is how much that characteristic tends to vary in response to environmental and hereditary influences.
Water, carbon, and nitrogen
A dichotomous key is a type of single-access key that gives only two choices at one time, These keys are commonly used in biology in order to identify an unknown animal or plant.
