Virginal membrane

virginal membrane An obsolete term for hymen...

This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..

Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..

Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..

A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..

Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..

This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..

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