Biology

The correct answer is D.to get rid of wastes and take in nutrients.

Cells exchange materials with their environment primarily to maintain homeostasis and support their survival. This includes taking in nutrients (such as glucose and oxygen) that are necessary for cellular processes, and expelling waste products (like carbon dioxide and urea) that are byproducts of metabolism. This exchange is vital for the cell's energy production, growth, and proper functioning.

A.To replace damaged and dying cells: While cells do eventually need to be replaced or repaired, the primary purpose of material exchange is not to replace cells themselves, but to support the ongoing functioning of the ce...