collectively, which group of organisms are the most diverse representatives of life?

the most diverse group of organisms are the " insects".

Explanation:

the group of organisms which are the most diverse representatives of life include the " insects". they have a vast variety and are extremely large in numbers and have a variety of species.

insects colonize nearly every corner and nook of the globe.

they have evolved from very simple to complex organisms.

the electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, x-rays, and gamma-rays.

voluntary muscles are controlled by the cerebellum.