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...
Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..
A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..
This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..
Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..
This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..
