Answer: there are 5 different levels of organization: cells, tissue, organs, organ systems, and organisms. All living things in the world are made up of cells. Thus, cells are grouped into tissues, so groups of tissues make up organs, and organs with a similar function are grouped into an organ system.
Explanation:
The endosperm provides nourishment.
Yes because we use the sun light as a way to grow crops for one so no one would be getting any food and plant life would never grow and would die so we wouldn't be getting Air as well because trees and plants make oxygen for us
