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Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..

"Cronopio dentiacutus", a prehistoric mammal (an illustration)
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Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..

Adaptive Radiation
Adaptive Radiation

The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..

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Mendel’s Law & Mendelian Genetics

One of Mendel’s law of inheritance is the “law of dominance”. Read this tutorial to know more about this form of i..

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Digestion and Absorption of Food

The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..

Types and Causes of Brain Damage
Types and Causes of Brain Damage

This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..