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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Textbook Question
Chapter 22, Problem 2TYK
CAUTION Why does the presence of extinct forms and transitional features in the fossil record support the pattern component of the theory of evolution by natural selection?
a. It supports the hypothesis that individuals change over time.
b. It supports the hypothesis that weaker species are eliminated by natural selection.
c. It supports the hypothesis that species evolve to become more complex and better adapted over time.
d. It supports the hypothesis that species change over time.
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Students have asked these similar questions
which statement serves as evidence that Darwin’s theory of evolution had prediction power?
a.
It could be proven incorrect with the discovery of fossils of complex organisms found in the oldest fossil deposits.
b.
It could be proven incorrect with the discovery of amphibians and large land mammals on remote oceanic islands.
c.
It could be used to describe the evolution of large-billed finches on the Galapagos Islands.
d.
It could be used to hypothesize that fossils of the most primitive human ancestors would be found on the African continent.
To apply parsimony to constructing a phylogenetic tree, (A) choose the tree that assumes all evolutionary changes are equally probable. (B) choose the tree in which the branch points are based on as many shared derived characters as possible. (C) choose the tree that represents the fewest evolutionary changes,in either DNA sequences or morphology. (D) choose the tree with the fewest branch points.
What is an Analogy?
A) When an anatomic feature is shared among organisms and their descendants
B) When two organisms appear the same
C) When convergent evolution produces similar phenotypes
Chapter 22 Solutions
Biological Science (6th Edition)
Ch. 22 - True or false? Some trails are considered...Ch. 22 - CAUTION Why does the presence of extinct forms and...Ch. 22 - 3. Trails that are derived from a common ancestor,...Ch. 22 - CAUTION How can evolutionary fitness be estimated?...Ch. 22 - 5. CAUTION According to data presented in this...Ch. 22 - Some biologists summarize evolution by natural...Ch. 22 - Prob. 7TYUCh. 22 - SOCIETY Explain why the overprescription of...Ch. 22 - 9. The average height of humans in industrialized...Ch. 22 - Prob. 10TYPSS
Ch. 22 - How can natural selection on mouse color be...Ch. 22 - 12. CAUTION What is an evolutionary adaptation?
a....Ch. 22 - Apply Darwin’s four postulates to a population of...Ch. 22 - 14. PROCESS OF SCIENCE A team lead by evolutionary...Ch. 22 - Prob. 15PIATCh. 22 - 16. PROCESS OF SCIENCE When a statistical test was...
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- The three beetle species live in the same ecosystem, and they likely evolved from the ancestral species that colonized the region. Which statement best explains how descent with modification influenced speciation in these beetles? A. The ancestral species carried neutral gene mutations that spontaneously caused speciation when they colonized the region. B. The ancestral species randomly diverged into three species before colonization and then colonized the regions that best suited their new adaptations. C. After colonization, small groups separated from the rest of the ancestral species and developed different adaptations that helped them survive and reproduce. D. After colonization, the large group interbred until they developed enough neutral genetic mutations for speciation to occur.arrow_forwarda. What did Darwin's travels reveal to him about the number and variety of living species? b. How did tortoises and birds differ among the islands of the Galapagos? c. What is evolution? Why is referred to as a theory? d. Darwin found fossils of many organisms that were different from any living species. How would this finding has affecting his understanding of lifes diversity?arrow_forwardWhat is a Homology? A) When an anatomic feature is shared among organisms and their descendants B) When two organisms appear the same C) When convergent evolution produces similar phenotypesarrow_forward
- a) What is the best estimate (mean age), in millions of years, for the divergence of the clade containing the American Giant Short Faced Bear from the clade containing the Sloth Bear? b) According to Figure 1, bears as a group experienced substantial evolutionary radiation near what geological boundary? c) True or False. An entire clade of bears has gone extinct because the two extinct bear species in the figure are sister species. d) What bears are the nearest relatives of the Sun Bear?arrow_forwardWhich of the following statements about convergent evolution is true? (a) It demonstrates how similar environments can lead to different physical structures. (b) It demonstrates how similar environments can lead to the same physical structures. (c) It demonstrates that similarity of structures is due to descent from a common ancestor. (d) It demonstrates that similarity of structures is due to random chance.arrow_forwardReduced tailbones and the associated remnant muscles in humans are an example of what type of evidence for common descent? (a) artificial selection (b) homologous traits (c) biogeography (d) fossil evidencearrow_forward
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- Through _______, a body part of an ancestor is modified differently in different lines of descent. a. homologous evolution c. adaptive divergence b. morphological convergence d. morphological divergencearrow_forwardWhich assumption of cladistics is stated incorrectly? a. Living things are related by descent from a common ancestor. b. Speciation can produce one, two, or three new species. c. Traits change from one state to another. d. The polarity of a character state change can be determined.arrow_forwardWhich is a question Lamarck MOST LIKELY would have asked when developing his evolutionary hypothesis? A. Is artificial selection the basis for evolution? B. Is evolutionary change the result of survival of the fittest? C. Can body structures change according to the actions of the organism? D. Can a small population size increase the rate of evolution?arrow_forward
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