Here are examples of religion including judaism, christianity, and islam.

Here is an example of adherent, here are turtles following the head turtle by showing adherent qualities.

This picture really intrigued me because in this picture is shows one man and he has a belief.

Here are examples of religions that are monotheism religions.

Here is an example of polytheism, the religion shown is Hinduism that has many gods including Ganesh.

I picked the atheist symbol with a science feel to resemble agnosticism because science is kind of an estimate that is why we are unsure if there is a God or not.