What is the source of energy for plant and animal cells? A. soil B. oxygen C. consumers D. carbon-based molecules

The source of energy for both plant and animal cells is D. carbon-based molecules. Here's a step-by-step explanation:

1. Both plant and animal cells are eukaryotic cells, which means they have a nucleus and other specialized structures called organelles. One of these organelles is the mitochondria, which is often referred to as the "powerhouse of the cell".

2. The mitochondria is where cellular respiration occurs. Cellular respiration is the process by which cells convert nutrients into energy.

3. The main nutrient used in cellular respiration is glucose, a carbon-based molecule. Glucose is a simple sugar that is created by plants during photosynthesis and consumed by animals through their diet.

4. During cellular respiration, glucose is broken down and combined with oxygen to produce energy in the form of ATP (adenos