Improvement in medical care and the development of vaccines and antibiotics is known as the
Revolution.

i believe the answer is a or 1

it takes hundreds of years to become stable.

if you have another question lmk.

hey, what do you need . just post the question and i may be able to you : )

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.