while the other is applied at the level of an individual gene:
The ratio between these two contrasting scales is about 100,000,000,000,000 - one hundred trillion. Just to think about the range of technologies people can deploy today is mind-boggling. In a few decades (or maybe a century) we'll be able to change the environment and change ourselves, for example genetically, to live in such an environment. Or vice versa. We'll change our genes to have even greater abilities to influence the space we live in. Most likely, Mars exploration will become possible not because of invention of new fuels or materials, but because of new genetic algorithms for building a different breed of humans, who can survive long stretches of hybernation, lack of food, water, or shelter.