Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..
Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..