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.
Answer:
Ectotherms have the highest mass and the Endotherms have the lowest
They determine it because of the hypothesis. It changes during the investigation and the independent variable stays the same through the whole experiment.