A. they tend to be unspecialized.
Answer:
hope i helped but i think its b or d
Explanation:
Cell is our microscopic structure. We have Trillions of cells in our body, which plays very important roll. Our every tissue, organ, organ system, our whole body has composed of cells. In order to make a nice and informed decision for our health, we must need to understand our body at cellular level
Hope this helps!
Take energy from other organisms and make it usable for other organisms
