No, it doesn't. It also occurs in animals and plants.
Answer: The Americas
Explanation:
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 __the Americas__ would have the most unique mutations, representing the most recent population to migrate to a new area.
Answer: The answer would be A: the hornworm.
hope this helps :)
Answer:
6 electrons
Explanation:
2 in the first shell and 4 in the next, adding up to 6
They make work easier, especially lifting things.
