A stable population would remain at equilibrium if
A) the birth rate increased as the death rate decreased.
B) emigration rates and death rates increased equally.
C) births and immigration increased by the same quantity.
D) births and deaths increased by the same quantity.
D
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Which of the following best matches the description?Forest harvesting method in which individual high-value trees are removed from the forest, leaving the majority of the forest undisturbed.
A. species diversity B. patchwork clear-cutting C. extinction D. clear-cutting E. cover F. biodiversity G. selective harvesting H. threatened species I. speciation J. habitat management K. reforestation L. mutation M. endangered species
Magma at great depth does not contain gas bubbles because the high pressure at depth keeps gas dissolved in solution.
Answer the following statement true (T) or false (F)
Approximately ________ different minerals are known
A) 44 B) 440 C) 4,400 D) 440,000 E) 4,400,000
Often, wave-cut platforms at the base of cliffs are covered by ________
Fill in the blank(s) with the appropriate word(s).