Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 50, Problem 7TYU
Propose an evolutionary hypothesis to explain the observation that some bird populations do not migrate if people supply food for them in feeders.
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Explain the difference IN PRIMATES between contest competition and scramble competition, referencing how the distribution of different types of foods interacts with group size to affect levels of these kinds of competition in primate groups.
References are the books "Primate Behavioral Ecology" by Karen Strier and "Planet Without Apes" by Craig Stanford
A defence mechanism is how the sea cucumber fires its internal organs at attackers. How would this defence mechanism have evolved over time due to pressure from predation and/or competition? Please explain in details.
Briefly describe how observing beak sizes in finches before and after a drought in the Galapagos provides evidence for evolution.
Meant to be a short answer like 4 sentences or so is great
Chapter 50 Solutions
Biological Science (6th Edition)
Ch. 50 - Prob. 1TYKCh. 50 - Prob. 2TYKCh. 50 - Prob. 3TYKCh. 50 - Prob. 4TYKCh. 50 - Prob. 5TYUCh. 50 - 6. The octopus in the chapter-opening photo can...Ch. 50 - Propose an evolutionary hypothesis to explain the...Ch. 50 - Prob. 8TYUCh. 50 - Prob. 9TYPSSCh. 50 - 10. J. B. S. Haldane once remarked that he’d be...
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- Talk in detail about the distribution of congo lions within a population and why the spatial pattern of congo lions may have developed or evolvedarrow_forwarddefine interspecific competition. explain how insects reduce intraspecific competition between adults and offsrpings.arrow_forwardTalk in detail about how the species of congo lions is distributed globallyarrow_forward
- EVOLUTION LINK When a black-tailed prairie dog or other small animal dies, other prairie dogs bury it. Develop a hypothesis to explain how this behavior may be adaptive. How would you test this hypothesis?arrow_forwardDescribe how prey species in areas with high predation would differ from prey species from areas with low predation. Make sure you give specific responses of prey to predation.arrow_forwardExplain the relationship between climate change and body size in the 52 species of North American migratory birdsarrow_forward
- Flying fish use large pectoral fins to glide in air. Explain how Lamarck and Darwin might account for the origin of the large pectoral fins and the ability to glide.arrow_forwardDarwin explained that the difference in beak shape among Galapagos finches as being result of adaptations to eating different food. Its true or false? explain.arrow_forwardGiven your knowledge of how predators and resources can affect life history traits, hypothesize how the four combinations of high resources, low resources, predator presence, and predator absence would affect the size at maturity of a prey species.arrow_forward
- Two predators feed on small antelope. One predator weighs 100 kg, and the other weighs 35 kg. Explain what might happen if the two predators share the same area. Give an explained answer.arrow_forwardIn the Northern Hemisphere, many species of birds fly south during the autumn months. Propose a proximate and an ultimate cause for this behavior.arrow_forwardWhat is the correct order that determines the social system for a species of primates? A. Food distribution, Female distribution, Male distribution B. Food distribution, Male distribution, Female distribution C. Male distribution, Female distribution, Food distribution D. Female distribution, Food distribution, Male distributionarrow_forward
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