What is known the study of plants and animals that have lived on the earth in the past? A) Histology B) Geology C) Astronomy D) Cosmology Related MCQs: A study of chemical composition on earth is called …..? The Branch of science with deals with study of blood and it’s disorder is known as…..? Science which deals with the study of manners and custom of people is known as? Epidemiology is the study of…..?