Who or what comprised 3 or the parts: all living things are made of cells, cells are the basic unit of life, all cells come from preexisting cells.

Cell theory

Explanation:

Cell theory is a universal theory proposed by three scientists namely: Theodor Schwann, Mathias Schleiden and Rudolf Virchow in the 1830's. The cell theory compose of three components:

- All living things are made up of one or more cells.

- Cells are the basic and fundamental unit of life

- All cells emanate from pre-existing cells.

Based on this question, these three components are what makes up the CELL THEORY.

preservation because he preserves part of the land and preserves means save

explanation:

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