It is things like this that made me push Adam way, way back. the average age of a gene in humans is around 1 million years, and the oldest genes are in the neighborhood of 5 million years old (based on the number of mutations found in various human societies. Take a look at When did Adam Live? Part 3-Genetics
Worship among the ancient hominids goes way back in time as well. I figure if they are worshiping anything, then they are like us–made in the image of God. Look for when did Adam live part 1 for that information.