(Science: botany) a change in the character of a cell wall, by which it becomes harder. It is supposed to be due to an incrustation of lignin. Origin: cf. F. Lignification. See lignify. The depositing of lignin in cell walls by plants that creates wood...
The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..
The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
