Multiple choice

Which is regarded as a link between the living and the non-living?

  1. RNA

  2. Virus

  3. Amoeba

  4. Bacteria
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A virus is non living and relies solely on the 'host' for survival. Viruses are so primitive that many scientists consider them to be both living and nonliving things. By itself, a virus is a lifeless particle that cannot reproduce. But inside a living cell, a virus becomes an active organism that can multiply hundreds of times. 

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