Habitus

Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..

Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..

Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..

The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..

The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..

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