Which of the Following Statements Contrasting Simple and Complex Multicellularity

question 127

Multiple Choice

Which of the following statements contrasting simple and complex multicellularity is TRUE?

• A)Complex multicellular organisms show a large degree of cellular differentiation, whereas simple multicellular organisms show little differentiation into specialized cell types.
• B)Cell or tissue loss in a simple multicellular organism can be lethal for the entire organism, whereas cell or tissue loss in a complex multicellular organism does not lead to death of the entire organism.
• C)Highly specialized molecular mechanisms allow cells to adhere to one another in simple multicellular organisms, but not in complex multicellular organisms.
• D)Only some cells are in direct contact with the environment in simple multicellular organisms, whereas all cells are in direct contact with the environment in complex multicellular organisms.
• E)Most or all of the cells in a complex multicellular organism contribute to reproduction, whereas only a subset of cells contributes to reproduction in simple multicellular organisms.

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