* Chloroplasts are the site of photosynthesis. They contain chlorophyll, which captures light energy and converts it into chemical energy (sugars) that plants use for food.

* Animals are heterotrophs. This means they obtain their energy by consuming other organisms, not by producing their own food through photosynthesis.

* Animals have mitochondria. These organelles are responsible for cellular respiration, which breaks down food molecules to release energy.

Therefore, animal cells have no need for chloroplasts, which are essential for the process of photosynthesis, a process that is exclusive to plants and other photosynthetic organisms.