1.For natural selection to occur, variation must exist. This is
true because without variation
Group of answer choices
there is no way for change to occur between generations.
traits are never inherited by offspring.
there is no competition among individuals.
the one trait that exists is always advantageous, and change is
not necessary.
2.Even though natural selection was named after the artificial
selection that plant and animal breeders use, it really refers to
the
Group of answer choices
variable ability...