Question

Anthropogenic actions have caused evolution of species. Explain with the help of two examples.

Answer 1

Activities that are produced or caused by humans, usually used in a negative way are called anthropogenic actions. These actions have an impact on evolution of species.

Impact of anthropogenic activities on natural developments.

(I) Industrial melanism: It was because of smoke and sediment leaving man-made enterprises which caused a move from white-winged moths on trees to dim winged or melanized moths.

Before industrialization white shaded lichens secured the bark of trees which was great for white-winged moths.

(ii) Use of herbicides and pesticides has brought about a choice of safe assortments in brief timescale. Additionally, improvement of microorganisms impervious to anti-infection agents in time of months is because of anthropogenic activities.