Which organelle breaks down rugs molecules that supply energy to the cell

The mitochondria are the powerhouse of the cell

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.