The sequence of decreased death rate followed by a decrease in birthrate is called
A. environmental resistance.
B. demographic transition.
C. doubling time coefficient.
D. replacement reproduction.
E. a limiting factor.
Answer: B
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Answer the following statement true (T) or false (F)
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A. auxin B. cytokinin C. gibberellin D. abscisic acid E. ethylene
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Indicate whether the statement is true or false.
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