Examine the figure above. What type of pattern did the human population exhibit through most of its history (prior to the 1700s)?
A. zero growth (equilibrium)
B. exponential growth
C. logistic growth
D. negative growth
Answer: C
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A certain wastewater treatment plant uses aerobic bacteria, anaerobic bacteria, and archaebacteria during secondary treatment of sewage. Unfortunately, during a bad blizzard the aerated tanks froze, killing the microbes inside. What is likely to result?
A. Floc levels will diminish. B. Methane production will go down. C. Solid material will not be effectively filtered out. D. Floc will not be effectively filtered out. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about wastewater treatment with bacteria? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following statements best sums up the results of the Human Genome Project?
a. All the proteins in the human body have been sequenced, but not all functions are known b. All 28,976 genes and their functions have been decoded. c. The human genome was patented in 2000 by Walter Gilbert, one of the inventors of sequencing. d. About 99% of the genes have been sequenced but functions of most are unknown.
Which of the following is NOT an example of biotechnology?
a. genetic engineering b. yogurt manufacturing c. cheese production d. crop fertilization e. analysis of genomes
The effect of directional growth shown in the accompanying figure is known to be caused by ____
a. thigmotropism b. gravitropism c. abscisic acid d. salicylic acid e. vernalization