Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..
The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
