the but not in the Protozeroic D Question 7 0.34 pts Which of the following is e

Question

the but not in the Protozeroic D Question 7 0.34 pts Which of the following is evidence that the ability to precipitate calcium compounds evolved many different times? Plants have vascular systems calcium, can produce calcium carbonate Calcium is needed to operate muscles Humans and primates both have skeletons Calcium is necessary for metabolism n Widely separated species of organisms, whose closest relatives do not secrete D | Question 8 0.33 pts Rudimentary organs o are not present in land animals are vital to the current survival of the organism cause instant death are evidence that evolution does not happen are holdovers from an earlier time when they were needed for survival D | Question 9 0.33 pts One way we can determine how long ago two species diverged is compare the number of water molecules each species has o go back in time and watch evolution at work olook at the age of the carbon in the cell walls o count the number of cells in each species count the number of molecular changes between the xo organisms D Question 10 0.34 pts

Explanation / Answer

Ans 7 calcium is important for metabolism

Ans 8 they are holdovers from the earlier times when they were needed for survival

Ans 9 count the molecular changes between the two organisms

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