Old Master  (or  old master ) is a painter of skill who worked in Europe before about 1800, or a painting by such an artist. An  old master print  is an original print (for example an engraving or etching) made by an artist in the same period. Likewise an old master drawing .
Quick Answer. Dendrology is the study of trees and other woody plants, such as shrubs and woody vines. Dendrologists study every aspect of wooded plants to determine various characteristics of their structural systems. Continue Reading.
The study of the environment. Ecology(odum 1953) is the study of the distribution and abundant of might be of an organism. ecology is the branch of biology that deals with the interrelationship amongst organisms & interaction between the organisms & their environment.... this term ecology was coined by ERNEST HACKEL.