Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 40, Problem 9TYU
EVOLUTION CONNECTION In 1847, the German biologist Christian Bergmann noted that mammals and birds living at higher latitudes (farther from the equator) are on average larger and bulkier than related species found at lower latitudes. Suggest an evolutionary hypothesis to explain this observation.
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Chapter 40 Solutions
Campbell Biology (10th Edition)
Ch. 40.1 - What properties do all types of epithelia share?Ch. 40.1 - VISUAL SKILLS Consider the idealized animal in...Ch. 40.1 - WHAT IF? Suppose you are standing at the edge of...Ch. 40.2 - MAKE CONNECTIONS How does negative feedback in...Ch. 40.2 - If you were deciding where to put the thermostat...Ch. 40.2 - Prob. 3CCCh. 40.3 - Prob. 1CCCh. 40.3 - Flowers differ in how much sunlight they absorb....Ch. 40.3 - Prob. 3CCCh. 40.4 - If a mouse and a small lizard of the same mass...
Ch. 40.4 - Prob. 2CCCh. 40.4 - Prob. 3CCCh. 40 - Prob. 40.1CRCh. 40 - Is it accurate to define homeostasis as a constant...Ch. 40 - Given that humans thermoregulate, explain why your...Ch. 40 - Why do small animals breathe more rapidly than...Ch. 40 - Level 1: Knowledge/Comprehension 1. The body...Ch. 40 - Prob. 2TYUCh. 40 - Consider the energy budgets for a human, an...Ch. 40 - Prob. 4TYUCh. 40 - Prob. 5TYUCh. 40 - Prob. 6TYUCh. 40 - Prob. 7TYUCh. 40 - Prob. 8TYUCh. 40 - EVOLUTION CONNECTION In 1847, the German biologist...Ch. 40 - SCIENTIFIC INQUIRY Eastern tent caterpillars...Ch. 40 - SCIENCE. TECHNOLOGY. AND SOCIETY Medical...Ch. 40 - WRITE ABOUT A THEME: ENERGY AND MATTER In a short...Ch. 40 - 13. SYNTHESIZE YOUR KNOWLEDGE These macaques...
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- EVOLUTION CONNECTION Explain the biological basis forassigning all human populations to a single species. Can youthink of a scenario by which a second human species couldoriginate in the future?arrow_forwardEVOLUTION ASSESSMENT - FINCHES Galápagos Ground Finches Between 1973 and 1978, the population of ground finches (a type of small bird) on the Galápagos Islands decreased. Scientists made observations of the population throughout that time period. They recorded and graphed differences in the distribution of traits over time. The two sets of graphs below come from the data they collected. Beak Length for Ground Finches Observed in the Wet Seasons of 1973 and 1978 Wet 1973: all finches # of finches 30 # of finches 25 20 15 10 5 0 30 25 20 15 10 5 12-01 0 $4.9 80-84 30.0- 11.5-11.9 Beak Length (mm) Source: inquiryHub 35.0-39.9 40.0-44.9 12.5-12.9 13.0-13.4 13.5-13.9 14.0- Wing Length for Ground Finches Observed in the Wet Seasons of 1973 and 1978 Wet 1973: all finches 65.0 Wing Length (mm) Source: inquiryHub 70.0-74.9 # of finches 75.0- 30 25 # of finches 20 10 5 0 30 25 20 15 O 10 5 0 Wet 1978: all finches 7.0-74 7.5-7.9 80-8.4 85-80 9.0-94 9.5-9.9 10.0-1 30.0-34.9 10.5-10.9 11.0-11.4…arrow_forward. A population of red deer were trapped on an island off of England during the last interglacial period. Within 6,000 years, the population evolved from a mean weight of 200 kg toa mean weight of 36 kg. The generation time of red deer is 5 years and the narrow senseheritability of body weight is 0.5. What is the rate of evolutionary change (in Darwins)?arrow_forward
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- The small figures at the bottom of the figure labeled a-f represent key events in primate evolution and grey vertical bars represent the times when variation in climate changed dramatically. Choose the best description of the following features: the x axis of this figure depicts [Select] the y axis describes the blue line represents [Select] . The main concept of the figure is [Select] [Select] [Select] Warm 6180 2.5 3.5 Cold 4.5 5.5 0 1 Homo 2 Time: millions of years ago 4 Australopithecus Paranthropus 5 Ardipithecus 6 a and the colored horizontal bars at the top represent 9 www. Increased climate fluctuation, environmental uncertaintyarrow_forwardINTERPRET DATA Which of the primates in Figure 18-18 is the most distantly related to humans? Explain your answer. Figure 18-18 Differences in DNA nucleotide sequences as evidence of evolutionary relationships Comparing the same gene in different organisms provides a window into evolution. Here the differences in the non-protein-coding region of the -globin gene are compared between humans and other primates. Evolutionary biologists are rapidly expanding such studies from comparing one or several genes to comparing entire genomes.arrow_forwardEVOLUTION LINK Write short paragraphs explaining each of the following statements: (a) Natural selection chooses from among the individuals in a population those most suited to current environmental conditions. It does not guarantee survival under future conditions. (b) Individuals do not evolve, but populations do. (c) The organisms that exist today do so because their ancestors had traits that allowed them and their offspring to thrive. (d) At the molecular level, evolution can take place by the replacement of one nucleotide by another. (e) Evolution is said to have occurred within a population when measurable genetic changes are detected.arrow_forward
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