How long did it take for the acid in our stomachs to be the right amount for us to digest food?
How long did it take for eyes to form, was everyone farsighted at first or nearsighted?
Why are their two sexes?
Why are there sexes?
When did we grow two arms because one wasn't sufficient?
If we came from monkey's why are there monkeys?
Where are the species that have derived from humans ,if they haven't formed yet where are they on this planet so I can go see them?
How long did it take for the acid in our stomachs to be the right amount for us to digest food?
At every stage an animal's digestive system is pretty well suited to its diet, otherwise it would die.
How long did it take for eyes to form, was everyone farsighted at first or nearsighted?
Eyes have been around for hundreds of millions of years.
Why are their two sexes?
Because we are diploid, so zygote formation comes about by the fusion of two haploid gametes.
Why are there sexes?
Sexual reproduction maximizes genetic variation and helps isolate and eliminate negative mutations.
When did we grow two arms because one wasn't sufficient?
Our earliest ancestor hundreds of millions of years ago had bilateral symmetry, so two arms was inevitable.
If we came from monkey's why are there monkeys?
If we came from European settlers, why are there still Europeans?
Where are the species that have derived from humans ,if they haven't formed yet where are they on this planet so I can go see them?
The human species is continuing to evolve. Go look in a mirror.