if the environment changes, what types of organisms will survive - ones with many variations or ones with a few variations?

Ones with more variations will survive.

Explanation:

This is because when the environment changes, maybe the organism has to find new things to eat or something like that. The more variations, allows for natural selection to occur. In short, variation is good and organisms with favorable variations will pass those traits onto their offspring. Hope this helps

i believe it is the last one. im sorry if im wrong!