Answer:
stereoisomers are isomers that have the same composition (that is, the same parts) but has difference in the orientation of those parts in space. There are two kinds of stereoisomers:<u> </u><u>enantiomers</u> and <u>diastereomers .</u>
anwser Mercury Venus Earth Mars Jupiter
Not necessarily as many plants have double or quadruple the amount of their DNA each time they reproduce (polyploidy). This phenomenon doesn't in fact change them.
This best seen when you think about some diseases seen in humans like Down syndrome where there is an extra chromosome 21, but this addition (aneuploidy) did not add to the complexity
Evolution. allele frequencies change so characteristics change and if this is over time it is evolution- "the change over time of allele frequencies"
