Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..
The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
