BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 21.2, Problem 1LO
Summary Introduction
To determine: The relationship between pollution and color evolution in peppered moths.
Introduction: The change in the environment may also favor changing a trait. These changes can be temporary or permanent.
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Chapter 21 Solutions
BIOLOGY
Ch. 21.1 - Prob. 1LOCh. 21.1 - Prob. 2LOCh. 21.2 - Prob. 1LOCh. 21.2 - Distinguish between demonstrating that evolution...Ch. 21.3 - Contrast the processes of artificial and natural...Ch. 21.3 - Prob. 2LOCh. 21.4 - Prob. 1LOCh. 21.4 - Prob. 2LOCh. 21.4 - Prob. 3LOCh. 21.5 - Explain the evolutionary significance of...
Ch. 21.5 - Prob. 2LOCh. 21.6 - Prob. 1LOCh. 21.6 - Prob. 2LOCh. 21.7 - Characterize the criticisms of evolutionary theory...Ch. 21.7 - Prob. 2LOCh. 21 - Suppose that a male with a beak depth of 10 mm...Ch. 21 - Prob. 1IQCh. 21 - Prob. 2IQCh. 21 - Prob. 3IQCh. 21 - Why might the evolutionary line leading to...Ch. 21 - Artificial selection is different from natural...Ch. 21 - Gaps in the fossil record a. demonstrate our...Ch. 21 - The evolution of modern horses (Equus) is best...Ch. 21 - Homologous structures a. are structures in two or...Ch. 21 - Convergent evolution a. is an example of...Ch. 21 - Prob. 6UCh. 21 - The possession of fine fur in 5-month human...Ch. 21 - In Darwins finches, a. occurrence of wet and dry...Ch. 21 - Prob. 2ACh. 21 - Convergent evolution is often seen among species...Ch. 21 - What conditions are necessary for evolution by...Ch. 21 - Explain how data shown in figure 21.2a and b...Ch. 21 - Prob. 3SCh. 21 - Refer to figure 21.5, artificial selection in the...Ch. 21 - The ancestor of horses was a small, many-toed...
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- Give typing answer with explanation and conclusion Explain why speciation is very different in sexual and asexual organisms. Explain how these differences relate to different definitions of “species.” Make sure to comment on which definitions of “species” are more appropriate for a given set of circumstances.arrow_forwardWhat most likely caused the variations in these finches?arrow_forwardSuggest a possible reason why species in the green algal lineage may have been more likely to colonize land than species in the red algal lineage.arrow_forward
- Name the haploid and diploid individuals in the family of honey bees and analyze the reasons behind their formation.arrow_forwardProcess of speciationarrow_forwardGive only typing answer with explanation and conclusion Identify the role of natural selection in the evolution of skin color. What role does folate and vitamin D have? How do they differ? How can someone maximize folate and vitamin D levels? Does natural selection still relate to skin color in human populations? If so, how would you expect human skin color to change in human populations in the future?arrow_forward
- in the species monarch butterfly and viceroy butterfly what is the first word and what is the second wordarrow_forwardExplain what makes Thomas Hunt Morgan an interdisciplinary thinker with his Fruit fly discoveryarrow_forwardPredict what would happen if there were no predators in the forest. Would the moth colors have changed? Why or why not Efforts to reduce pollution began occurring later in the century. If pollution near factories was reduced, what would happen to the color of the moths? Explain your answer Had the pollution gone unchecked i.e., not reduced what would have happened to the color of the moths? Explain your answer.arrow_forward
- Match the terms (Column A) with their corresponding category under Column B.arrow_forwardWhy are there so many different types of plants that host butterflies and serve as food for them? What does this mean about the diversity of butterflies?arrow_forwardGive typing answer with explanation and conclusion Sympatric Speciation occurs when traits change within an interbreeding population due to a cell division error such as polyploids.arrow_forward
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