metamorphism (Science: geology) The state or quality of being metamorphic; the process by which the material of rock masses has been more or less recrystallized by heat, pressure, etc, as in the change of sedimentary limestone to marble...
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..
