Which of the following is the reason why the sub-Saharan population projections for the year 2025 have been scaled back from 1.33 billion to 1.05 billion people?

A. famine
B. drought
C. AIDS
D. tuberculosis
E. malaria


Answer: C

Biology & Microbiology

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Answer the following statement true (T) or false (F)

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A cross between two individuals who differ with respect to two gene pairs is a

____________________ cross. Fill in the blank(s) with the appropriate word(s).

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Dissolved sugars are transported in:

a. cork cambium.

b. epidermis. c. pith. d. phloem. e. xylem

Biology & Microbiology

The buildup of a toxin in an organism’s body is called biological magnification

____________________ Indicate whether the statement is true or false.

Biology & Microbiology