Apoptosis a. promotes the survival and growth of the axon b. promotes the survival and growth of dendrites c. promotes the activity of neurons d. is a programmed mechanism of cell death

The correct answer is "is a programmed mechanism of cell death".

Apoptosis by definition is programmed cell death. Apoptosis happens when the cell recognize irreversible damage weather in the plasma membrane, cytoplasm, organelles, or in the genetic material inside the cell. This is to prevent proliferation of damaged or mutant cells that can lead to the development of neoplasm.

Where are the options?

Plants take energy from the sunlight with the of chlorophyll so the plant starts the food chain. then an herbivore eats the plant and gets its energy.then a carnivore or a human eats the herbivore and gets its energy. : )