Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
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..
