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Question

Which of the following is not a primary coloniser?

A
Viruses
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B
Lichens
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C
Blue-green algae
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D
Mosses
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Solution

The correct option is A Viruses
Viruses are said to be a link between living and non living. This is because they cant reproduce on their own. They need a host tor reproduce. Once they enter a living host, they start the process of reproduction.
So, option A is the correct answer.


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