This is called longitudinal (sp?) studies.
(I do not know if I spelled it right, sorry)
These mutations are called neutral mutations. Examples include silent point mutations. They are neutral because they do not change the amino acids in the proteins they encode.
<span>It
considered that all terrestrial plant species that exist today have evolved
from Rhyniophyta (a type of spore plants, compiled by the most primitive forms
of vascular). Now terrestrial plants presents by the Moss family, psilotaceae, lycopsids,
class of the Horsetail, fern, gymnosperms and flowering plants. Based on the cladogram, It assumed that the
ancestors of all existing plants are algae, particularly green.</span>
<u><em>Species</em></u> is the category that can mate and produce fertile offspring.
