A. They share a common ancestor because otherwise they would not have similar arrangements of bones. It doesn't matter that humans can't fly
Oxygen, however, is not produced by the human body and thus needs to be acquired through breathing<span>. Carbon dioxide and water are the two products of the process of cellular </span>respiration .<span> During cellular </span>respiration<span>, cells acquire the energy that they need to carry out their tasks.</span>
Answer:
A. Those continents were once a part of one supercontinent.
Explanation:
This so called supercontinent is called Pangea, which existed during the late Paleozoic and early Mesozoic eras, and assembled approximately 335 million years ago, which began to break apart about 175 million years ago.
Weathering is the breaking down of the earths surface and erosion it the process of moving the weathered materials from one place to another. deposition which is the state after erosion is the final place the weathered sedement is left
Answer: reproductive cells are haploid
Explanation: mammals are diploid. In sexual reproduction each paren contributes a haploid set, which is what each reproductive cell