What is Center of Origin? The center of origin is a geographical area where the particular group of organisms (either domesticated or wild) first originated on earth. Center of Origin & Center of Diversity Many people believed that centers of origin are also centers of diversity. But, the centers of diversity …

From the time immemorial food, clothing and shelter have been the three great necessities of mankind. Wood is the most familiar and most important forest products. The wood has contributed a lot to the advancement of civilization. Today, the wood is the most widely used commodity other than food and …

The tissues that are concerned with the secretion of gums, resins, volatile oils, nectar, latex and other substances are called Secretory tissues. These tissues are mainly divided into two groups: Laticiferous tissue. Glandular tissue. In this article, Laticiferous tissue will be discussed explicitly. Laticiferous tissue A laticifer is a type of …