1. The act of replacing.
2. (Science: chemistry) The removal of an edge or an angle by one or more planes.
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..
Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..