In a typical terrestrial ecosystem, the greatest amount of biomass is found in the highest trophic level. Historian Lynn White, Jr. contended the roots of the West's energetic exploitation of nature was in pre-Christian civilizations, such as Egypt, Mesopotamia, and Persia. I recently discovered and reported to you that the DeKalb sewage treatment plant does remove nitrogen and phosphorus from treated wastewater before releasing it into the Kishwaukee River. Kudzu, an introduced viney plant that occurs in the U.S., but not in Illinois. A slow growth rate and long development time are characteristic of an r-selected species.
Equatorial regions have fewer species than temperate regions.
By definition, a parasite always kills its host. The American Transcendental Movement rejected materialism and utilitarianism. Most developing countries are in stage 1 of the demographic transition model. Vegetation in a floodplain decreases the floodplain s ability to absorb water during a flood. Most demographers now think developing countries must develop economically before population growth will decrease.