Which statement describes the organization of living organisms?
A. All organisms are composed of many cells, which are the basic units of structure but do not perform life functions.
B. All organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions.
C. All organisms are composed of many cells that have basic units with unique structures and functions.
D. All organisms are composed of one or more cells with the same shape and purpose but are not the basic units of structure.
Preview next quiz:
Plants have cells, tissues, organs, and systems that allow them to function as complete organisms. Which parts of a plant function as an organ?
A. leaves
B. spores
C. root hairs
D. chlorophyll molecules