What can be done to modify a nerve cell to function most efficiently

Explanation:

Axons, the long, cable-like projections on neurons, are made stronger by a unique modification of the common molecular building block of the cell skeleton. ... They also support transport of molecules within the cell and facilitate growth. They are made up of polymers of a building-block substance called tubulin.

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.