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Question
All living organisms are linked to one another because ______.
Options
They have common genetic material of the same type
They share common genetic material but to varying degrees
All have common cellular organisation
All of the above
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Solution
All living organisms are linked to one another because they share common genetic material but to varying degrees.
Explanation:
The whole theory of evolution is based on the similarity of genetic materials, which indicates common ancestry for living organisms. Variations in the similarity of genetic material give biodiversity, which we see all around us.
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