Cyclophrenia

The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..

For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..

Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..

Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..

ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..

This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

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