The cell theory consists of all of the following except all the cells come from pre-existing cells. all living things are made up of one or more cells. cells are the smallest units of life. cells need energy to survive.

The correct answer is cells need energy to survive.

Explanation:

Cell theory is one of the most important theory of the biological world which was proposed by Schwann and Schleiden in 1838. They stated that :

1. The cell is the basic or fundamental unit of life.

2. All living beings- unicellular to multi-cellular are made up of cells.

This theory was later revised by Rudolf Virchow in 1855 which added a statement to the existing cell theory as "all cells arise from the pre-existing cells".

Thus, the cells need energy to survive is the correct answer.

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).

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