a. Which evolutionary theory is depicted by this figure? b. What is industrial melanism?

Question

Figure shows white winged moth and dark winged moth on a tree trunk.

• in unpolluted area
• in polluted area

a. Which evolutionary theory is depicted by this figure?

b. What is industrial melanism?

c. Can you give any other example for this theory?

Answer 1

a. Theory of Natural selection by Darwin

b. Industrial melanism is the development of dark colouration in populations that are exposed to industrial air pollution.

c. Resistance of Mosquitoes against DDT.

Resistance of some microbes against some antibiotics.