1)what is the role of genes in evolution?
a.
only genes can be acted on by natural selection.
b.
parents with recessive genes die from overproduction.
c.
the genes of most surviving parents have only dominant alleles.
d.
only traits that are controlled by genes can be acted on by natural selection.

2) in what process does adaptation lead to the creation of a new species?
a.
mutation
c.
speciation
b.
adaptation
d.
genetics

3)what did darwin infer from his observations of organisms in south america and the galápagos islands?
a.
the organisms on the galápagos islands were virtually identical to mainland organisms.
b.
a small number of different plant and animal species had come to the mainland from the galápagos islands.
c.
the organisms on the galápagos islands were completely unrelated to mainland organisms.
d.
a small number of different plant and animal species had come to the galápagos islands from the mainland.