As chemical pesticides move through the trophic pyramid, they may be amplified at each higher level in a process called
A) competitive exclusion. B) trophic cascading.
C) biomagnification. D) pyramidal decay.
C
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?In 1996, the environmental scientist Donella Meadows said, "The first commandment of earth is: Grow. Grow forever…."
Answer the following statement true (T) or false (F)
To determine your specific impacts on the environment, one can ________
A) calculate your ecological footprint B) calculate the biodiversity of your local community C) measure local air pollution and its impacts on your health D) measure the volume and type of all the wastes you contribute to the municipal waste stream E) determine your current water pollution impact
In some places, the crust of the Earth is rising as much as ________ per decade because of crustal adjustment after the Pleistocene ice melted
A) 2 centimeters (5 inches) B) 20 centimeters (10 inches) C) 2 meters (6 feet) D) 20 meters (66 feet) E) 2 kilometers (6,600 feet)
The first symptom of range overgrazing is usually
A. The compaction of soils B. The disappearance of palatable plant species C. Desertification D. Gullying E. The absence of trees