Cro-Magnons were early modern humans. They spoke just like we do.
Cave painting
Large animals, like bison, horse, mammoth, etc.
Cave paintings and having body ornamentation
The Cro-Magnons lived in Europe as the Ice Age was finally going away.
They painted on cave walls, and carved small stone figurines known as Venuses.
cromagnons had cave art but did not draw any kind of animals they drew the animals in the environment they live in or also by the biomes they lived in
Because otherwise there is no need to communicate. If you don't want to communicate, why bother?
they communicate by sticks
They can communicate by their tails
they communicate with their antenas
They communicate by scents.
If there were no female Cro Magnon, there would be no babies and thus, no Cro Magnon at all. Animals need both a male and female to reproduce their species. Cro Magnon was an earlier form of human beings, and certainly reproduced and had babies.