How is dna used as evidence for evolution? a. all species have the same genetic code. b. all species have the same number of genes. c. all species have the same amount of dna. d. all species have the same genes.

1. a tropical dry forest carries out more rapid nutrient cycling

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.