Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..
The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
