What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 11, Problem 4MC
Summary Introduction
Introduction:
The call of Belding's ground squirrels is a behavior that has evolved through kin selection.
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Chapter 11 Solutions
What Is Life? A Guide to Biology with Physiology
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- Why are polyandrous mating systems more rare than polygynous matings? a. Only males are capable of multiple rounds of reproduction within a single breeding season. b. Only females care for the young. c. Females usually experience more intrasexual selection pressure than males. d. Females usually devote more energy to offspring production and development.arrow_forwardWhat is the proximate cause of male deer fighting over females?a. to determine their supremacy over other malesb. to injure other males so that these other males cannot mate withfemalesc. to maximize the number of genes they pass ond. because changes in day length stimulate this behaviore. because fighting helps rid the herd of weaker individualsarrow_forwardThe frilled lizard of Australia suddenly opened its mouth wide and unfurled folds of skin around its neck. Most likely, this was a way to Select one O A Scare a predator. B. Warn that it was noxious to eat. C. Conceal itself. D. Scare its prey.arrow_forward
- What do birds do about sleep during the time when they are migrating? a. They fly during the day and sleep at night. b. They fly at night and sleep during the day. c. They eat during the day, fly at night, and suffer from sleep deprivation. d. They eat during the day and fly at night, but decrease their need for sleep.arrow_forwardIf a brown labrador dog mates with a black labrador dog, what will their offspring look like? A. Black B. Brown C. Yellow D. Any of the abovearrow_forwardScientists found that different beak shapes correlate with different mating songs in Darwin's finches. Which hypothesis does this support? A. Darwin's finches are not different species according to the Biological Species Concept. B. Adaptation to different food sources led to behavioral isolation in Darwin's finches. C. Adaptation to different food sources likely occurred after reproductive isolation in Darwin's finches. D. Mating songs are primarily determined by the acoustics of different beaks.arrow_forward
- rences Belding's ground squirrels (Spermophilus beldingi) live in closely related groups. When they feed in the open, certain individuals (guard squirrels) watch for predators instead of feeding. The guard squirrels give an alarm call when a predator is sighted, allowing the rest of the group to run to safety. Researchers have noted that, because the alarm call draws attention to the guard, the guard is more likely to be caught by the predator and therefore has a lower survival rate in comparison with the other squirrels.Which of the following best explains the behavior of the guard squirrels? * anline la "eriods 1 and 2 iods MP1, Highschool hool MP3, MP4 The behavior of the guard squirrels increases the survival of cese relatives that share the genes of the guard squirrels. d Thu Fri Option Guard squirrels typically have recessive alleles, and by sacrificing themselves, they lessen the chance that recessive alleles will get passed on. The guard squirrels confuse the predator, lowering…arrow_forwardWhat form of competition was observed between members of lion pride? Explain how this type of competition may play a role in regulation lion population densitiesarrow_forwardConventional signals are not costly because they often entail slight visible variations in only a small portion of the body, but they can be rendered honest through social reinforcement. Which example best demonstrates this case? A. Birds with large throat patches with poor fighting ability are attacked more often by dominant birds. B. Aggressive wasps with facial patterns indicating their fighting ability are less likely to be attacked. C. A dominant lion is able to evict younger chalengers from the pride. D. Female chimps will not mate with a male defeated in combat.arrow_forward
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