Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 27, Problem 2TYK
Summary Introduction
Introduction: Dinosaurs are reptiles that are evolved from the amphibians that became entirely terrestrial in habitat. They evolved during the Jurassic period of the Mesozoic era.
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Students have asked these similar questions
A. 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 above
Several very distantly related species (e.g., bats, birds, insects) have evolved the capability of flight. The most recent common ancestor of insects and vertebrates likely lived over 500 million years ago and was flightless. This independent evolution of flight in multiple, distantly related taxa is an example of what evolutionary process/pattern?
a.
Evolutionary reversal
b.
Convergent evolution
c.
Speciation
d.
Synapomorphy
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
Chapter 27 Solutions
Study Guide for Campbell Biology
Ch. 27 - Fill in the following table with brief...Ch. 27 - Complete the following concept map that summarizes...Ch. 27 - This is a micrograph of the cyanobacterium...Ch. 27 - Prob. 4IQCh. 27 - Prob. 5IQCh. 27 - One might think of prokaryotes as primitive,...Ch. 27 - Prob. 2SYKCh. 27 - Prob. 1TYKFCh. 27 - __________ region in which the prokaryotic...Ch. 27 - __________ common staining technique that...
Ch. 27 - Prob. 4TYKFCh. 27 - Prob. 5TYKFCh. 27 - Prob. 6TYKFCh. 27 - Prob. 7TYKFCh. 27 - Prob. 8TYKFCh. 27 - ___________ use of organisms to remove...Ch. 27 - __________type of respiration that uses molecules...Ch. 27 - The Gram stain distinguishes among bacteria based...Ch. 27 - Prob. 2TYKCh. 27 - Some prokaryotes have specialized internal...Ch. 27 - Prob. 4TYKCh. 27 - Prob. 5TYKCh. 27 - Prob. 6TYKCh. 27 - Prob. 7TYKCh. 27 - Prob. 8TYKCh. 27 - Prob. 9TYKCh. 27 - Prob. 10TYKCh. 27 - Which of the following statements accurately...Ch. 27 - Prob. 12TYKCh. 27 - O157:H7, a pathogenic strain of E. coli, has over...
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- Whale skeletons contain nonfunctional pelvic bonesa. as a result of convergent evolution.b. due to catastrophism.c. because whales evolved from ancestors that had hind legs.d. because the bones might be needed for a future adaptation.arrow_forwardGiven 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_forwardHumans evolved from a. monkeys. b. chimpanzees. c. gorillas. d. an ancestor shared with chimpanzees.arrow_forward
- Of the following, which one is an example of an evolutionary explanation (as opposed to a functional explanation)?A. People evolved a fear of snakes because many snakes are dangerous.B. Humans have a (tiny) tailbone because our ancient monkey-like ancestors had a tail.C. People evolved an ability to recognize faces because that ability is essential for cooperative social behaviors.D. People evolved a tendency to form long-term male–female bonds because human infants benefit from the help of two parents during their long period of dependence.arrow_forwardYou are reading a scientific paper regarding the relationships of the anatomical and behavioral characteristics of chimpanzees and their implications for early hominid evolution. With the emphasis on anatomical and behavioral characteristics, this implies that the researchers are relying on A. Traditional classifications of chimpanzees and humans B. Nonevolutionary classifications of chimpanzees and humans C. An incorrect classification of human ancestors D. Cladistic classifications of chimpanzees and humansarrow_forwardDNA sequence data suggest that modern humans last shared a common ancestor with Old World monkeys about 25 million years ago. In contrast, humans last shared a common ancestor with New World monkeys about 40 million years ago. What could be concluded about evolutionary relationships among these groups? A. Humans are more closely related to Old World monkeys than to New World monkeys. B. Old World monkeys are more closely related to humans than to New World monkeys. C. Both A and B are correct. D. Neither A nor B is correct. Explain.arrow_forward
- Which of the following statements about evolution is false?a. Gene mutations alone amount to evolution. b. Genetic drift and gene flow are modern theories of evolution.c. Natural selection contributes to evolution.d. Chimpanzees evolved from a hominoid ancestor.arrow_forwardWhich of the following statements is NOT true regarding segmentation? a. Segmentation allows the evolution of redundant systems. b. Segmentation is a requirement for a closed circulatory system. c. Segmentation enhances locomotion. d. Segmentation represents an example of convergent evolutionarrow_forwardResearchers have found fossils of Eocene horse species in Colorado. Deeper deposits contain smaller species, and more recent deposits contain larger species. How does this observation support the theory of evolution? A. It provides evidence that species change over time. B. It does not support the theory of evolution. C. It shows that all species are related to each other. D. It proves that environments have changed over time. E. It suggests that species are unchanging and of recent origin.arrow_forward
- Evolution results in an increase of organisms that are A. larger. B. more complex. C. better suited to the current environment. D. better able to adapt to changing environments.arrow_forwardEvolutionary theory predicts that species are related, not independent. Four of the following examples provide support for this prediction, but one is irrelevant. Which of examples listed below does not support the claim that species are related? A. Many dinosaurs and other organisms went extinct following a huge asteroid impact at the end of the Cretaceous. B. Before synthetic insulin was available, diabetics used injections of purified pig insulin to manage their disease. C. The endostyle of lancelets (invertebrate chordates) and the thyroid gland of vertebrates develop similarly, and both produce iodinated proteins. D. All prokaryotes and eukaryotes use DNA to carry their genetic information. E. Ground squirrel species found on the North and South sides of the Grand Canyon are very similar to each other.arrow_forwardIn Darwin’s finches, a. occurrence of wet and dry years preserves genetic variation for beak size. b. increasing beak size over time proves that beak size is inherited. c. large beak size is always favored. d. All of the choices are correct.arrow_forward
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