Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
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 (11th 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 in Humans 1) explain what evolutionary mechanisms are involved in creating variation in populations 2) define homology and analogy and discuss examples of eacharrow_forwardEvolution in Humans: 1) describe several techniques that paleontologists today use to establish fossil age 2) describe how tracking changes in DNA sequence among related organisms can be used to create a migration maparrow_forwardEVOLUTION 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_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_forwardWRITE ABOUT A THEME: Organization You have seenmany examples of how form fits function at all levels of thebiological hierarchy. However, we can imagine forms thatwould function better than some forms actually found innature. For example, if the wings of a bird were not formedfrom its forelimbs, such a hypothetical bird could fly yet alsohold objects with its forelimbs. In a short essay (100–150words), use the concept of “evolution as tinkering” to explainwhy there are limits to the functionality of forms in nature.arrow_forwardNatural Selection: you noticed a worms population displaying metamerism evolved from non metameric ancestors. Explain how this happened via natural selection. Mention key points necessarily used to describe evolution by natural selection.arrow_forward
- Name Date Natural Selection: Crash Course Biology #14 Subject: Science Directions: Follow along with the video and complete the questions below. 1. (1:16) What else do you already know about how species change over time to adapt to their environment? 2. (1:39) Which of the following correctly explains why the black trait rose from 2% to 95% in moths during the Industrial Revolution in England? A. As the soot concentration increased in the air, dark-colored moths were better equipped to find their mates, making it more likely for them to thrive and multiply. B. As trees became darker, dark-colored moths were less likely to be found and eaten by birds, making it more likely for them to thrive and multiply. C. As the darker trees made conditions more favorable for darker species of moths, dark-colored moths ate light-colored moths more often. 3. (2:19) Which of the following correctly ranks natural selection's role in evolution? A. Natural selection is the chief cause of evolutionary…arrow_forwardThe 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_forward
- EVOLUTION 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_forwardMany species of mammals have complex eyes that are capable of sight. The function of sight is a result of the structure of the eye, the nervous system, and the brain. Removing one of these structures from an organism disrupts the function of sight. Therefore, sight would be best described as an example of a(n) . Group of answer choices Biological Hierarchy Function Defining Structure Emergent Property Evolution by Natural Selectionarrow_forwardMicrotaxonomy ( Species and Speciation ) People who do not believe in evolution often cite the classic example of man presumably evolving from the apes. They oftern ask: if humans evolved from apes, why are there apes until today? How will you provide a convincing answer that there is no contradiction in the existence of apes and humans at the same time?arrow_forward
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