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Title: Which of the following is true? Post by: Nimaa on Feb 14, 2015 Which of the following is true?
A) Species on Earth today are but a fraction of all species that ever lived. B) The number of species existing at one time has decreased throughout history. C) Extinctions of past species have happened gradually and on a small scale. D) Most organisms present early in Earth's prehistory were more complex than modern organisms. E) Bacteria represent a newer form of life, not present during the early prehistory of Earth. Title: Re: Which of the following is true? Post by: JesuisMel on Mar 2, 2015 Content hidden
Title: Re: Which of the following is true? Post by: Nimaa on Mar 3, 2015 Marking this topic solved, solid help.
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