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Question
S: All organisms must have a common ancestor.
R: All cells arise from a pre-existing cell.
S: All organisms must have a common ancestor.
R: All cells arise from a pre-existing cell.
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Solution
The correct option is D S and R are true and R is the correct explanation for S
The third part of the cell theory given by Rudolf Virchow states that “All cells come from pre-existing cells”. This can be interpreted to establish a reverse evolutionary relationship between the ancient and current life forms. As we trace the development of the current life forms in the backwards direction, they all must, at some time, have evolved from a common primitive cell-like ancestor.
The third part of the cell theory given by Rudolf Virchow states that “All cells come from pre-existing cells”. This can be interpreted to establish a reverse evolutionary relationship between the ancient and current life forms. As we trace the development of the current life forms in the backwards direction, they all must, at some time, have evolved from a common primitive cell-like ancestor.
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