Thoracalgia

The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..

Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..

Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..

This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..

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