Compare and contrast the terms conservation and preservation
What will be an ideal response?
"Conservation of natural biotas and ecosystems does not—or at least should not—imply no use by humans whatsoever, although this may sometimes be temporarily expedient in a management program to allow a certain species to recover its numbers. Rather, the aim of conservation is to manage or regulate use so that it does not exceed the capacity of the species or system to renew itself. The objective of preservation of species and ecosystems is to ensure their continuity, regardless of their potential utility. Thus, a second-growth forest can be conserved (trees can be cut, but at a rate that allows the forest to recover), but an old-growth forest must be preserved (it must not be cut down at all)."
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A) 35% B) 50% C) 60% D) 75% E) 90%
The age-class histogram on the left could represent the population of
A. India B. China C. Mexico D. Uganda E. Sweden
Growth in what city is having a major impact on water levels in Lake Mead, a reservoir on the Colorado River?
A) Las Vegas B) Los Angeles C) Grand Junction D) Phoenix