Answer: The most likely subject to be studied by a biologist is Biology. Biology as a subject is multi-disciplinary subject which means it includes all the parts related to both plants and animals. This includes zoology, botany, biochemistry, immunology, and many more. A biologist has all the information related to the metabolism of plants and animals. The growth, development, reproduction and some other issues related to animals and plants are looked after by the biologist.
The evolution of the peppered moth is an evolutionary instance of directional colour change in the moth population as a consequence of air pollution during the Industrial Revolution. ... Later, when pollution was reduced, the light-coloured form again predominated.
As the trees darkened with soot, the light-colored moths were easier to see. They were eaten by birds more and more, while the rare dark colored moths blended in better on the darker trees. This made the dark colored moths have a higher survival rate.
Electromagnetic waves are waves that have no medium to travel whereas mechanical waves need a medium for its transmission. Electromagnetic waves travel in a vacuum whereas mechanical waves do not