I agree with the other one “The sperm whale has a diploid complement of 2n=42 and the killer whale a complement of 2n=44. These two species, though different in chromosome number, have karyotypes which have no t group chromosomes and more m group chromosomes than the typical whale karyotype.”
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An ecosystem is like a machine that cycles matter by using captured energy.
B. <span>The fossils in the lower layers are older than the fossils in the upper layers. </span>
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Explanation:
i really don't know sorry
