Scientists use dna to track the migration of humans across the planet. after a group migrates away from their ancestral homeland, any mutations that occur are not mixed with those left in the ancestral population. therefore, dna samples taken from would have the most unique mutations, representing the most recent population to migrate to a new area.

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

(amoeba sisters video recap: pedigrees and need

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.