Mitochondria are a cell's powerhouse. which of these cells would need a large number of mitochondria to function and survive?

hair root cells, which provide insulation for the body
skin cells, which provide structure to an animal's body
liver cells, which process nutrients passing through the body

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.