Answer:
Cells come from other living cells
All living things are composed of one or more cells
The cell is the basic unit of life.
<span>Viruses are regarded as being on the borderline of living and non-living because it exhibits characteristics of both living and non-living organisms. Inside a host, the virus can act as a living organism using the host's cellular system while outside the host, the virus crystallizes that makes them incapable of conducting metabolic activities. </span>
Answer:
A sexual reproduction it is mostly send in single sel organisms
Human structure.........................