(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...
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
