Topics: Structures and Functions of Living Organisms and Genetics Quiz
Which best describes a multicellular organism?
A. made up of one cell that carries out all life processes
B. made up of many cells that carry out all life processes
C. made up of one cell that carries out a single life process
D. made up of many cells that all carry out a single life process
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Which best explains how the nervous system controls the skeletal system?
A. The brain protects the skull.
B. The brain stores calcium for bones.
C. The brain produces red blood cells for bones.
D. The brain sends messages to the muscles to move bones.