1. life is made of different or forms of life.

Cells

Explanation: All living organisms are made of cells. It can be just one cell or made of millions of cells. Organisms are classified into unicellular and multicellular organisms. Cells contain all the organelles which help the cell to survive, reproduce and grow. In unicellular organisms, all the functions are performed by the single cell only. But in multicellular organisms, different cells are there to perform different functions.

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

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