Answer:
Evolution occurs about 6 million years ago.
Explanation:
The mammoth evolved from the common ancestor because evolution occurs about 6 million years ago. The modern elephants and woolly mammoths share a common ancestor and they are split into two separate species about 6 million years ago due to change in genetics as well as environment that leads to the evolution in the elephants.
Low-head dams are dangerous structures that basically extend from one side of a riverbank to the other. Low-head dams block the water way partially and the water moving over the dam produces a strong circular current at the lower part of the dam. Low-head dams are dangerous to small boats and paddle craft because the strong circular current below the dam can trap small boats and paddle craft and pull them under the dam.
The cup like structure, in which the femur fits into the hip bone is known as Acetabulum.
the acetabulum is referred to a concave shapoed surface of the pelvis, which have a cup like groove. This groove helps in the binding of the femur head to the hip or the pelvic bone.
The round head of the femur gets fits into this cup shaped structure and forms the hip joint. The acetabulum is formed by the contribution of ischium, ilium and the pubis.
Answer:
The answer is C. Species diversity or B. Ecosystem diversity everyone thinks it either those 2 nobody really knows.