Bee colonies are currently weaker than ever, making bees unable to carry pollin. The carrying capacity of the bees are <em>decreasing</em> because the population of bees are also decreasing.
Selective breeding on food crops may create stronger, and more healthy crops. The idea is to find your best crops, and breed them with other crops sharing the traits you want.
"Different substances sometimes have the same chemical formula, such as glucose and fructose, but they have different components so they act differently."
Answer: Keeping those genes locally in the mitochondria gives the cell a way to individually control mitochondria,” Johnston says, because pivotal proteins are created in the mitochondria themselves. ... Other structures in our cells could also benefit from this type of local control.