A population can increase in size as a result of which of the following processes? Select all correct choices
A. an increase in emigration
B. an increase in immigration
C. an increase in death rate
D. an increase in birth rate
E. an increase in emigration and death rate
F. an increase in immigration and birth rate
F
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The difference between microevolution and macroevolution is that
A) microevolution affects bacteria and macroevolution affects larger organisms. B) microevolution happens slowly and macroevolution happens quickly. C) macroevolution happens slowly and microevolution happens quickly. D) microevolutionary changes are small, and macroevolutionary changes are large.
Abraham Lincoln’s son, Robert, showed no signs of Marfan syndrome
a. True b. False
Why is a very low level of body fat unhealthy in young women?
A) Women need a certain amount of fat to maintain their fertility. B) Reduced levels of body fat make a woman unable to expend any energy. C) Women with very low body fat have an increased risk of developing diabetes. D) Women with very low body fat have an increased risk of heavy menstrual bleeding.
Endotoxin belongs to a class of biological molecules called
A. mucopolysaccharides B. lipopolysaccharides C. nucleic acids D. proteins E. peptioglycans