The answer could be (spread), but there isn't much to go on here
This will help http://www.answers.com/Q/What_is_the_result_of_the_diversity_of_organisms_present_on_earth
Some mutations in living species help them to adapt and help protect them from predtors
False, it has also positive consequences for other specie advantages.
Like any other change, it has a both positive and negative effect on the said biosphere, ecosystem or the entire living organisms that exists and co-exist. Climate change maybe is one of todays greatest selection and environment forces that reforms a lot of living organism and especially the climate.