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Multiple Choice
Which of the following is the fundamental unit of structure and function in living organisms?
A
Organ
B
Tissue
C
Cell
D
Organism
Verified step by step guidance
1
Understand the hierarchy of biological organization: Organisms are composed of organ systems, which are made up of organs. Organs consist of tissues, and tissues are made up of cells.
Recognize that the cell is the smallest unit that can carry out all life processes. It is the basic building block of all living organisms.
Cells can exist independently as single-celled organisms or as part of multicellular organisms, where they specialize and work together to perform complex functions.
Each cell contains the necessary components to perform vital functions such as metabolism, growth, and reproduction, which are essential for the survival of the organism.
Therefore, the cell is considered the fundamental unit of structure and function in living organisms, as it is the smallest unit that can perform all life processes independently.