Yes, both plants and animals go through cellular respiration. It's a fundamental process for all living organisms to obtain energy from food. Here's why:

* Plants: While plants make their own food through photosynthesis, they still need to break down that food to access the energy within it. They do this through cellular respiration. They use the glucose they produce during photosynthesis, along with oxygen, to create energy (ATP).

* Animals: Animals cannot make their own food and must consume plants or other animals. They break down these food sources through cellular respiration to obtain energy.

Key takeaway: Cellular respiration is a vital process for both plants and animals. It allows them to convert energy from food into a form that their cells can use to perform all their functions.