Question

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which of the following best explains how the cell theory was developed?
cells are so diverse that scientists had to come up with an explanation that would apply to all types of cells.
mutations occur and cause changes in cells, so scientists could not develop a law that would apply to all forms of cells.
the cell theory is a well - tested explanation of observations that was formed from the contributions of several different scientists.
the cell theory was developed through extensive library research, because it would be impossible to test all living things for the presence of cells.

Explanation:

The cell theory was developed over time through the contributions of multiple scientists who made observations and conducted experiments. It is a well - tested explanation of observations related to cells. The first option is too simplistic, the second option about mutations is not relevant to the development of cell theory, and the fourth option is incorrect as cell theory was developed through experimentation and observation on living things, not just library research.

Answer:

The cell theory is a well - tested explanation of observations that was formed from the contributions of several different scientists.