Campbell Biology In Focus
2nd Edition
ISBN: 9780134203072
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 39, Problem 6TYU
Summary Introduction
Introduction:
Behavior can be defined as action carried out by the muscles under the influence of the nervous system.
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Students have asked these similar questions
A. The earliest evolutionary change in the hominins was
a.
increased brain size.
b.
habitual bipedalism.
c.
changes in dentition.
d.
all of the above (they happened at the same time).
B. Which of the following statements about endurance running is correct?
a.
Endurance running is found among all primates, but humans are most adapted for it.
b.
The ability to control body temperature is likely the most important running adaptation.
c.
Humans can outrun almost all other mammals, including horses, at short distances.
d.
Endurance running probably emerged with the appearance of Homo sapiens.
Clear my choice
While observing primates at the zoo, you notice that the particular monkey you are watching uses its hands, feet, and tail to grasp branches while moving throughout the trees in its enclosure. This is most likely a(n)
A. New World monkey, because many of these species have a tail with grasping abilities similar to those observed in nonhuman primates hands and feet
B. Old World monkey, because many of these species have a tail with grasping abilities similar to those observed in nonhuman primate hands and feet
C. New World monkey, because these are the only monkeys that live in trees
D. Lesser ape, because many of these species have a tail with grasping abilities similar to those observed in nonhuman primate hands and feet
How was stress helpful for us in our evolutionary past?
A. It gave us fight or flight instincts and helped us avoid danger.
B. It helped us to be independent and live alone.
C. Stress is never useful and it only harmed our early ancestors.
D. None of these are correct.
Chapter 39 Solutions
Campbell Biology In Focus
Ch. 39.1 - Contrast the role of Ca2+ in the contraction of a...Ch. 39.1 - WHAT IF? Why are the muscles of an animal that has...Ch. 39.1 - Prob. 3CCCh. 39.2 - Prob. 1CCCh. 39.2 - Prob. 2CCCh. 39.2 - Prob. 3CCCh. 39.3 - Prob. 1CCCh. 39.3 - MAKE CONNECTIONS How is the lunar-linked rhythm of...Ch. 39.4 - How might associative learning explain why...Ch. 39.4 - Prob. 2CC
Ch. 39.4 - MAKE CONNECTIONS How might a learned behavior...Ch. 39.5 - Prob. 1CCCh. 39.5 - MAKE CONNECTIONS Balancing selection can maintain...Ch. 39.6 - Prob. 1CCCh. 39.6 - Prob. 2CCCh. 39 - During the contraction of a vertebrate skeletal...Ch. 39 - Prob. 2TYUCh. 39 - According to Hamiltons rule, A. natural selection...Ch. 39 - The binding of calcium to the troponin complex A....Ch. 39 - Curare, a substance that blocks the acetylcholine...Ch. 39 - Prob. 6TYUCh. 39 - Prob. 7TYUCh. 39 - SCIENTIFIC INQUIRY Propose a hypothesis to explain...Ch. 39 - SCIENTIFIC INQUIRY Scientists studying scrub jays...Ch. 39 - Prob. 10TYUCh. 39 - FOCUS ON INFORMATION Learning is defined as a...Ch. 39 - SYNTHESIZE YOUR KNOWLEDGE Acorn woodpeckers...
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- What are some of the key behavioral and morphological characteristics of early domesticated dogs compared to their wild counterparts? Select ALL that apply. (Note: You will need to also watch the segment about foxes for the answer(s).) A. Higher Intelligence B. Improved Sense of Smell C. Higher Human Tolerance D. Shorter Snouts E. Narrow Skullsarrow_forwardWhat is the status of the hypothesis that language evolved as a by-product of overall intelligence? a. It is supported by findings that total brain mass correlates highly with language ability. b. It is supported by findings that teaching language to other primates causes an enormous amount of brain expansion. c. It is contradicted by findings that brain damage has no effect on language. d. It is contradicted by findings that some people have normal intelligence without language, and others have normal language despite mental retardation in many other regards.arrow_forwardAccording to "The Complex Evolution of Homo sapiens", there is NO archaeological evidence to suggest that Homo sapiens left Africa any sooner than genetic evidence suggests. A. True B. Falsearrow_forward
- . In white-crowned sparrows, social experience exhibits a very stronginfluence over the development of singing patterns. What observation led to this conclusion?a. Birds learned to sing only when they were trained by other birds.b. The window in which birds learn from other birds is wider thanthat in which birds learn from tape recordings.c. Birds could learn different dialects only from other birds.d. Birds that learned to sing from a tape recorder could change theirsong when they listened to another bird.arrow_forwardIn the paper by John Endler about colored spots in guppies, Endler finds that Select one: a.female guppies become more colorful in the presence of predators. b.female guppies become less colorful in the presence of predators. c.male guppies become less colorful in the presence of predators. d.male guppies become more colorful in the presence of predators. e.No change in color occurs in both male and female guppies, providing an example of a population at Hardy-Weinberg equilibrium.arrow_forwardA. According to Gould and Vrba (1982), when the original cooling function of insect appendages was changed to flying, this is an example of a. inheritance. b. exaptation. c. apatation. d. adaptation. B. When primates first evolved away from their mammalian ancestors, they a. developed a larger and more complex brain. b. increased their reliance on the sense of smell. c. increased the number of canines (for meat-eating). d. all of the abovearrow_forward
- If race is not a biological concept, is it still useful to study race? A. Yes, because race actually is a biological concept that is supported by science. B. No, it's not useful. C. Yes, because race is a social concept and racism can cause inequalities that affect people's lives and health. D. Yes, because race is a social concept but racism doesn't affect people's lives.arrow_forwardYou see the results of an eye-tracking study in which infants were required to look at human faces. You see that infant A spent most time looking at the contour of the face, while infant B spent a lot of time looking at the eyes and the mouth. You conclude that infant B is most likely: a.Bilingual b.Showing signs of a developmental disorder c.Younger than infant A d.Older than infant Aarrow_forwardThe ability of rats to learn how to run a maze is an example of ________. a. imprinting b. classical conditioning c. operant conditioning d. cognitive learningarrow_forward
- Given a positive genetic correlation between the lengths of the maxilla and the mandible of a bird bill (and in which the ancestral state is a short bill), selection for a longer bill without pleiotropic effects can result in - A. either part will shorten but not both. B. both maxilla and mandible becoming longer. C. both maxilla and mandible will not change from the ancestral short length. D. either part will lengthen but not both.arrow_forwardAccording to "The Complex Evolution of Homo sapiens", all early Homo sapiens looked the same. They did not have any archaic traits. A. True B.Falsearrow_forwardWith______ , the consequences of a voluntary behavior cause an animal to repeat or avoid that behavior. a. instinct c. classical conditioning b. imprinting d. operant conditioningarrow_forward
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