Plowing with machines, irrigating with drip systems, and these are all modern agricultural methods.
Because you either have what it takes to survive in a certain place or you don't and you die quicker and you have offspring that grow to these standards while you couldn't because you didn't come from a younger generation which has a better immune system or better camoflauge or certian ways they can and can't eat and somethings that their bodys do to help them survive rough times.
The plasma membrane allows large molecules and waste to move through its membrane.
