Archaean
(Science: geology) The earliest period in geological period, extending up to the Lower silurian. It includes an azoic age, previous to the appearance of life, and an eozoic age, including the earliest forms of life.
this is equivalent to the formerly accepted term azoic, and to the eozoic of Dawson.
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
One of Mendel’s law of inheritance is the “law of dominance”. Read this tutorial to know more about this form of i..
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..
