Final answer:
Animals were a popular topic in prehistoric painting to depict daily life, showcase advanced art techniques, and convey messages through symbolism.
Step-by-step explanation:
The popularity of animals in prehistoric painting can be attributed to a combination of factors. Firstly, animals were a significant part of daily life for prehistoric humans, so depicting animals in their artwork helped them to represent and connect with their everyday experiences. Secondly, prehistoric artists showcased their advanced art techniques through the realistic and detailed portrayal of animals. Lastly, animals in prehistoric paintings often conveyed symbolic meanings and messages related to the spiritual and shamanic beliefs of the time.