Another name for unicellular organisms that dominated earth up to the precambrian time is
a. eukaryotes.
b. cyanobacteria.
c. stromatolites.
d. prokaryotes.

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.