When Hawkins and others surveyed the literature for evidence that solar energy input and/or precipitation input predict species diversity, they found that energy input was correlated with species diversity in only one of the following regions. Which was it?
A) north-temperate region
B) the tropics
C) south-temperate region
D) all of the above
Ans: A) north-temperate region
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Which of the following is NOT an effect of global
warming? a. an increase in global photosynthesis b an increase in atmospheric CO2 levels c. a probable increase in extinction of species d. changes in temperature and precipitation patterns e. changes in plant and animal life cycles
The portion of osmotic pressure exerted by ________ in the blood is known as colloid osmotic pressure
A) large ions B) steroids C) lipids D) proteins E) small ions
The reactions in the pathways of glycolysis and the citric acid cycle harvest the high-energy electrons stored in glucose. Therefore, these pathways _______________
A. are catabolic pathways B. are anabolic pathways C. take place in animal cells, but not in plant cells D. involve the reduction of glucose and its metabolic intermediates
A group of cells having similar structure and function is called a(n)
A. population. B. organism. C. organ. D. tissue. E. organ system.