Which statement best explains why a multicellular organism needs specialized cells to survive?

A. Most of its cells lack cell membranes.
B. It lacks specialized tissues.
C. Most of its cells don't come into contact with the external environment.
D. Its organelles don't work together to carry out life functions.

Specialized cells in multicellular organisms perform specific functions for survival by organizing into tissues and organ systems, enhancing efficiency and functionality.

Explanation:

Specialized cells are essential for a multicellular organism's survival because each cell has specific functions to perform within the organism. In multicellular organisms, cells are organized into tissues, organs, and organ systems, where different cells carry out specialized tasks to maintain the organism's life.

For example, in the human body, red blood cells are specialized for oxygen transport, while nerve cells are specialized for transmitting signals. This specialization allows multicellular organisms to efficiently perform various functions necessary for survival, such as digestion, respiration, and reproduction.

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