yes.
Organisms are required for evolution to occur. Evolution is defined as something that happens when organisms reproduce.
For a mutation to affect evolution it must occur in the dominant allele. This allele is what is passed on.
The only known instance of evolution occurring is here, on Earth. Logic dictates, however, that evolution occurs wherever there is life.
Variation must exist
yes.
Because adaptations are an observed effect of evolution. They could not happen if evolution did not occur.
Organisms are required for evolution to occur. Evolution is defined as something that happens when organisms reproduce.
Slowly.
Evolution occurs in population not in an individual.
Yes. Evolution ocurred in all geologic periods.
You do not allow evolution to occur, for you are evolution in selective breeding.
The more variation there is in a group of specimens, the more evolution can occur between them.
Down Syndrome is a the addition of an extra chromosome and not really related to evolution. It is more of a genetic mutation that causes this event to occur.
For a mutation to affect evolution it must occur in the dominant allele. This allele is what is passed on.
During evolution, chromosomal cariation in structure cannot occur due to
Selective Breeding of course!