Because body structures and fossils and bones help scientists classify animals. Things like colour and behaviour don't really matter.
complimentary of structure and function
principle of complementarity of structure and function
Fossils, D.N.A., vestigial organs or structure, same structure diffrent function.
Function reflects structure and structure determines function
daffirentiate structure and function
Accountancy is an ART of Recording Classifying
structure allows function. for example, you can walk because you have a skeleton; the structure of your skeleton allows the function of walking.
The function of the human structure is to survive by having children.
find out about the structure and function of biogas plants
Structure is the arrangement of parts in an organism,and function is the job the part does. Structure describes shape and physical construction. Function describes its utility. The structure of an umbrella is round and wide. Its function is to shield you from the rain.
Structure is related to its function. When the structure of something changes, so does its function. And when its function changes, the structure is bound to change too.
The principle of complementarity of structure and function.