Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Choose one of the misconceptions and explain the misconception and how discuss how your understanding on this misconception has developed over time.
1. "Scientific understand is unchanging."
2. “All mutations have an impact on the organism.”
3. “Natural selection involves organisms trying to adapt.”
4. “Adaptations are a result of competition.”
5. “There are more consumers than producers.”
6. "People look more like one parent than the other because they get more DNA from that parent."
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- 1. How do we measure and define evolution? 2. Evolution occurs: 1. at the level of the individual. 2. in traits. 3. in a single generation. 4. only at the phenotypic level. 3. The only source of entirely new genetic material is: 1. natural selection. 2. mutation. 3. recombination. 4. genetic drift. 4. Which of the following is not a key component of natural selection? 1. Traits for strength and vitality are favored over other traits. 2. Random variation exists for every trait in a population. 3. There will always be competition for resources. 4. Those with advantageous traits will outreproduce others. 5. The founder effect is a specific type of: 1. gene flow. 2. meiosis. 3. genetic drift. 4. mutation. 6. When a substantial amount of genetic variation is lost, we call it a: 1. genetic die-off. 2. gene flow. 3. genetic bottleneck. 4. gene dam. 7. When two previously isolated populations begin interbreeding and exchanging genes, we call it: 1. genetic drift. 2. founder effect. 3. incest.…arrow_forwardresults in condensed chromatin, which makes DNA inaccessible, and results in open chromatin, which makes DNA accessible. Oxidation; Nitrification OAcetylation; methylation O Methylation; acetylation O Nitrification; oxidationarrow_forwardWhich Scientist is credited as the co-discoverer of Natural Selection along with Charles Darwin Group of answer choices A. Wallace B. Cuvier C. Lyall D. Lamarckarrow_forward
- In 1973, biologist Theodosius Dobzhansky wrote an essay titled "Nothing in Biology Makes Sense Except in the Light of Evolution." Why is evolution so important for understanding biology? B I U !!! IIIarrow_forwardWhich of the following best describes natural selection? O It is a guess made by scientists about how life develops, but it has no hard evidence to support it. It is the idea that the strong survive and the weak die off. It is the idea that organisms with genetic traits that improve their ability to reproduce are more likely to pass those traits on to future generations. It is the idea that organisms naturally increase in complexity and intelligence with time.arrow_forwardA farmer wants to make a better corn plant that produces more and bigger kernels. In the chart, information is provided on two ways organisms can change over time. Natural Selection Selective Breeding Humans are not involved in the evolution process Human intervention is involved More generations are involved in natural selection, so it is a slower process Selective breeding is a faster process Survival of the fittest increases species' chance for survival Adaptations may not necessarily improve survival Mutations that result in natural selection occur randomly The desirable charactenstics are artificially chosen What is the best way for the farmer to improve his crop and why? Use evidence from the table to support your reasoning. Please write in complete sentences.arrow_forward
- In which population is evolution by natural selection most clearly demonstrated? Group of answer choices A virus sweeps through a population and makes everyone ill. A virus sweeps through a population and kills 10% of infants. It is not clear why some die and some don't. A virus sweeps through a population and kills 20% of the population. It is not clear why some die and some don't. A virus sweeps through a population and permanently sterilizes the 10% of the population that has allele hx25c.arrow_forwardWhich of the following are accurate descriptions of natural selection? Select all that apply. •It selects for traits that increased the complexity of the organism . ���It creates genetic variation. •It creates physical variation. •It selects for traits that helps organisms reproduce most successfully.arrow_forward1. The majority of antibiotic use in the United States is for agriculture, primarily in livestock. Why is this a problem? 2. Given the fact that humans are the ones producing and distributing pesticides, why do we call the development of pesticide resistance natural selection rather than artificial selection?arrow_forward
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