The Law of Superposition.
The Law of Superposition states that each layer is younger than the one beneath it.
The fossil record indicates that the earliest hominids most likely originated in "Africa," since this is the location from which humans eventually migrated to other locations.
Answer:
d . different population of the same species physically separated from each other forming new species.
Answer: They have a son , Les who is 9 years old and healthy with myopia but not galactosemia. Les is unaffected with galactosemia.
Explanation:
From the family story, Leah is the only child affected with galactosemia while Les is unaffected and healthy.
Hanna's father and mother have three daughters and they are Hope, Holly and Banana( from oldest to youngest).
Hanan and Harry have an only son called John.
John married Jane and they have two children, Leah and Les.
Leah is girl that is affected with galactosemia and Les who is a boy and he is unaffected with galactosemia.
Jane's mother is Hilda and she has a brother called Joe. Joe married Jen and they have a son called Les.
