The condition of being covered with glaciers or masses of ice; the result of glacial action; Agassiz recognized marks of glaciation all over northern Europe.The process of covering the earth with glaciers or masses of ice.A period where much of land and sea mass is covered in ice via glaciers, which adversely affects the population of species due to the extreme circumstances of the environment.
This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
In this tutorial, find out more about certain types of inheritance that does not follow the Mendelian inheritance patter..
