Answer: This is an example of organizational heirarchy.
Explanation: These biological structures are designed in a way that the whole system consist of different parts serving its own unique purpose, making up a full functional system. It goes from; atoms, molecules,cells, tissues and organs which makes up a system. Digestive system for example is composed of atoms, molecules,cells, tissues and organs that helps to digest amd convert food into energy(ATP).
"<span>Based on variability, the costs has been classified into three categories, they are fixed, variable and semi variable. </span>Fixed costs<span>, as its name suggests, is fixed in total i.e. irrespective of the number of output produced. </span>Variable costs<span> vary with the number of output produced. </span>Semi-variable<span> is the type of costs, which have the characteristics of both fixed costs and variable costs".</span><span>
<span /></span>
