Dictionary entry overview: What does cloning mean? â¢ CLONING (noun) The noun CLONING has 1 sense: 1. a general term for the research activity that creates a copy of some biological entity (a gene or organism or cell) Familiarity information: CLONING used as a noun is very rare.
Why Plants are Considered To Be Living. Plants are living things because they have all of the characteristics of life (with some modifications to suit their environment).
It is difficult to classify viruses as living organisms because they are not made of cells. They only become alive when they find a host i.e. a living cell to live in.ome algae are difficult to classify because they sometimes do not properly fit in one of the kingdoms since they may have characteristics from a few of the kingdoms.