Final answer:
Symbolic thinking among Homo sapiens is evident in art that demonstrates their ability to conceptualize images abstractly.
Step-by-step explanation:
The symbolic thinking among Homo sapiens is visible in art which shows evidence of the ability to conceptualize images by thinking abstractly. The art found in caves, such as the cave paintings in Europe and South Africa, demonstrates that even tens of thousands of years ago humans had the unique ability to reproduce the world around them in complex, symbolic fashion, through images we can immediately recognize today.