Biology Changing World Clicker Questions
Explore a series of True or False and multiple-choice clicker questions related to bacteria, genetic variation, evolution, evolutionary fitness, natural selection, and adaptation. Test your knowledge and understanding of these biological concepts in a quiz format.
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Biology for a Changing World, 2e Clicker Questions Chapter 14
TRUE or FALSE? Most bacteria are harmful and cause deadly disease. A. TRUE B. FALSE
Populations of asexually reproducing bacteria acquire genetic variation by A. mutation. B. gene transfer. C. meiosis. D. A and B
Evolution A. is genetic modification of an individual s DNA. B. is the change in mutation rates over time. C. is the change in allele frequency over time. D. explains how life originated from the stars.
Evolutionary fitness describes A. an individual that is successful in the environment in which they live. B. a population whose allele frequency has changed. C. an individual that reproduces successfully. D. A and C
Natural selection acts on A. individuals. B. populations. C. communities. D. A and C
A plethora of dandelions has popped up all over your lawn. You spray the plants with an herbicide, which kills most of them. However, some have survived and successful reproduced. This is an example of A. natural selection. B. spontaneous mutation. C. adaptation. D. A and C
Individuals indigenous to the Andes (think high altitude mountains) experience lower rates of ATP production and utilization in the brain. Humans who are not indigenous to high-altitude environments experience an increase in breathing rate, a higher heart rate and higher red blood cell production. These reactions help individuals cope with low oxygen levels at high altitude. The individuals who are indigenous to the Andes likely are ____ to low oxygen levels, while the non- indigenous individuals are _____. A. adapted, not adapted B. adapted, also adapted C. acclimated, adapted
Taking antibiotics when you are sick is causes ____ selection within populations of bacteria. A. directional B. stabilizing C. diversifying D. A or B
TRUE or FALSE? When you have a cold, you should take an antibiotic. A. TRUE B. FALSE
