Question

Which of the following levels of structure encompasses all the other?

• A. Tissue
• B. Cell
• C. Organism
• D. Organ or organ system

Answer 1

The correct option is C Organism

C. Organism

Reason: All the parts of the body constitute the total organism. Tissue, cell, organ or organ system is present in the organism. The tissue is a group of one or more types of cells and their intracellular substance that perform a particular function. Cells are the basic structural and functional unit of an organism. Cells are various types. Specialized for different functions. An organ system is a group of organs that work together to perform major functions or meet the physiological needs of the body.