Gustation

The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..

It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..

Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..

In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..

Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..

Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..

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