What is the basic unit of structure and function in a living thing called?

Cells are the structural functinal unit of living organisms.

Explanation:

1. Structural Unit-Single-celled organisms fulfil all the functions of the organ systems found in a multicellular organisms. Their is no differentiation of organ system in the single-celled oeganisms e.g., Amoeba, although their assigned functions are performed similar to the the functions of an organied multicellular organisms.

2. Fuctional Unit-All the functions such reproduction, respiration etc., are performed in single-celled organisms like a multicellular organisms.

3. So, we can conclude that cells are the structural and functional unit the organisms. Thank You.

cells

Explanation:

cells makeup every single living thing on Earth including us humans they are the main structure of every human thing on earth will every living thing on Earth including us humans