Leaving out the somewhat ridiculous and sometimes shameful religious slant towards this question, you would think that the purpose of humans is to find ways to work cooperatively to maintain the earth and its resources so that all of us have clean water and air, comfortable housing and clothing, adequate healthcare, and equal opportunities for work and education, and amenities such as transportation, communication, entertainment, and recreation. We should be able to do all this without polluting or spoiling the earth, which is, of course, the mother of all of us.

Answer:

Our function on Earth is the exact same as the function of every living creature on Earth: None.

We have no function on Earth. The only reason we, humans, and other animals exist is just to exist and to help keep our existence by reproduction. Basically we’re carriers of genes and our job is to keep them alive through the passage of time.

Earth is basically just a container for genes, a Petri dish. We’re just bacteria growing on it.

Explanation: