Your essay requires not just simple edit mark-ups, but also extensive revisions (requiring rewordings and reconstructions) in order to correctly convey the meanings you appear to intend. Perhaps this is the reason you have received so few posts offering suggestions for improving your essay -- this kind of assessment takes more time and effort.
Please let me take the time to edit & revise your first paragraph by way of example:
After reviewing my suggestions above for your first paragraph, perhaps you can begin to understand the level of editing you are asking for here.
How would be our feeling if all people be identical and “cloned”? What would it feel like if all living things had been cloned and were thus identical? Which garden could be interesting Wwhen all flowers and trees have the same shape and color? dDifferent ethnics ethnicities and cultures are the product of a long time periods. and this These differences not only improve s the level of total culture of a country a country's total culture, but also prepares give rise to the occasions for amusement and entertainment.
Rather than mark up the rest of your essay as I have done for your first paragraph above, perhaps you could benefit from first attempting to rewrite your essay --paying special attention to the clarity of your sentence construction and the flow of your logical ideas.
Please post back here if you need further suggestions and guidance.