Multiple Choice
Which level of structural organization is considered to be the highest level?
1. Introduction to Anatomy & Physiology
Levels of Organization
Multiple Choice
Which is the correct order of structure from smallest to largest in the levels of organization?
A
Cell, Tissue, Organ, Organ System, Organism
B
Organism, Organ System, Organ, Tissue, Cell
C
Organ, Cell, Tissue, Organ System, Organism
D
Tissue, Cell, Organ, Organ System, Organism
Verified step by step guidance1
Understand the levels of biological organization, which describe the hierarchy of complex biological structures and systems that define life.
Start with the smallest unit of life, which is the 'Cell'. Cells are the basic building blocks of all living organisms.
Next, recognize that 'Tissues' are groups of similar cells that work together to perform a specific function.
Following tissues, 'Organs' are structures composed of two or more tissue types that work together to perform specific, complex functions.
After organs, 'Organ Systems' are groups of organs that work together to perform major functions or meet physiological needs of the body.
Finally, the 'Organism' is the complete living entity that can function independently, representing the highest level of organization.
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