There are three main components/types of biodiversity:  (1) genetic. (2)organismal/taxonomic. (3) ecological. (1) genetic & sub-cellular: Biodiversity  expressed within  individual cells and non-cellular organisms (e.g., viruses) – diversity of genetic information central to this category but variety of metabolic pathways & molecular biology of life also important. (2) taxonomic diversity: …

Do you ever  dig down deep into any soil? If you did so, you may have followed different colors and layers in there. These layers are called horizons in soil science. The idea of Horizon and Soil Horizons are slightly different. Horizon is a distinct layer of soil, approximately parallel …

Introduction Plant breeding is the science of changing the traits of plants in order to produce desired characteristics. It started with sedentary agriculture and particularly the domestication of the first agricultural plants. The development of plant breeding as a special feild of study has been associated with and dependent upon …