A friend tells you that he reads somewhere that rotting garbage can turn into maggots, which are fly larvae, and the maggots then can grow into adult flies. What part of the cell theory will you use to refuse his claim?

Explanation

To refuse your friend's claim about rotting garbage turning into maggots, you can refer to the cell theory, specifically the part that states that all living organisms are made up of cells and that cells arise from pre-existing cells. Here’s a step-by-step breakdown of your response:

### Step 1: Understand the Claim
Your friend believes that rotting garbage can spontaneously generate maggots. This idea is rooted in the concept of spontaneous generation, which suggests that living organisms can arise from non-living matter.

### Step 2: Recall the Cell Theory
The cell theory has three main components:
1. All living organisms are composed of one or more cells.
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