a theory of organic evolution claiming that new species arise and are perpetuated by natural selection.The theory that was created by the english biologist Charles darwin, where the ‘survival of the fittest’ in species would guarantee long term survival. See the natural selection tutorial.
a theory of organic evolution claiming that new species arise and are perpetuated by natural selection.The theory that was created by the english biologist Charles darwin, where the ‘survival of the fittest’ in species would guarantee long term survival. See the natural selection tutorial...
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
