How did the first humans originate?

1. Mars, they came by space ship millions of years ago and their DNA was implanted into the eco system of the time.

2. Eden, God made man and women and placed them there

** most likely not what your text book says, so best to read your assignment and find the answer.

Wow, maybe not the most helpful answer. I'm sure your text book does have the answer somewhere, but I'll help you anyway. Science generally tells us that Homo Sapiens originated in central Africa far back in prehistory. There were then several migrations that moved people through the middle east into europe, asia, and eventually into North and South America. I'm not certain on the time line, but it was hundreds of thousands of years ago.