The sperm mucus penetration test checks whether a man's sperm can move through the cervical mucus. This test is not done very often because there are other fertility tests that give more information about the fertility problem.
The current system of shifting cultivation can best be described as neo-traditional, composed of modern (colonial) and traditional (pre-colonial) structural elements. It is a locally adapted version of what was introduced by the Belgian Colonial Administration into the Ituri Forest under the heading of paysannat indigÃ¨ne including resettlement schemes and compulsory cultivation [Jurion and Henry 1967].
Describe the population densities of areas where people practice shifting cultivation. Population densities in areas of shifting agriculture cannot be very high; therefore, shifting cultivation continues only in areas where population densities are low. Second Agricultural Revolution The development of improved sanitation, storage, and fertilization techniques, allowing for greater food output; coincided with the Industrial Revolution in England and a higher population growth rate.