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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Textbook Question
Chapter 22, Problem 12TYK
Which of the following sources of evidence provides the best support for Darwin’s claim that all of life is descended from a common ancestor?
- a. the fossil record
- b. comparative embryology
- c. the classification system of taxonomy
- d. molecular biology
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Chapter 22 Solutions
Study Guide for Campbell Biology
Ch. 22 - a. Write the capital letter representing the...Ch. 22 - List the two observations from which Darwin drew...Ch. 22 - a. Explain how the rapid evolution of drug...Ch. 22 - Complete the following concept map that summarizes...Ch. 22 - Explain in your own words the main components of...Ch. 22 - Briefly explain the following statement: In...Ch. 22 - Which of the following slogans best describes the...Ch. 22 - Which of the following scientists proposed that...Ch. 22 - Darwin proposed that new species evolve from...Ch. 22 - Each of the following influenced Darwin as he...
Ch. 22 - Darwins publication of On the Origin of Species...Ch. 22 - The smallest unit that can evolve is a(n) a....Ch. 22 - Which of the following statements is not...Ch. 22 - Darwin observed that organisms are capable of...Ch. 22 - What might you conclude from the observation that...Ch. 22 - The remnants of pelvic and leg bones in a snake a....Ch. 22 - The hypothesis that whales evolved from...Ch. 22 - Which of the following sources of evidence...Ch. 22 - When cytochrome c molecules are compared, yeasts...Ch. 22 - Which of the following is an example of convergent...Ch. 22 - Prob. 15TYKCh. 22 - Use the following evolutionary tree representing...Ch. 22 - Evolution by natural selection would be impossible...
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- The process by which evolution occurs is calleda. natural selection. b. development. c. reproduction. d. taxonomy.arrow_forwardWhich of Darwin's five 'theories' was something that he strongly emphasized but that we now think is a bit over emphasized on his part. Group of answer choices A. evolution has happened B. evolution is a process of change and splitting C. evolution is a very slow and gradual process D.all life has a common ancestor E.natural selection is the primary force causing evolutionarrow_forwardThe experiment that involved moving guppies to different streams was an example of which type of evidence for evolution? Group of answer choices A. fossil record B. homology C. observing natural selection in the field D. developmental genetics (i.e. hox genes) E. building molecular phylogeniesarrow_forward
- Which of the following events occurred first in eukaryotic evolution? a. Endosymbiosis and mitochondria evolution b. Endosymbiosis and chloroplast evolution c. Compartmentalization and formation of the nucleus d. Formation of multicellular organismsarrow_forwardThe Theory of Evolution contends that species have changed through time and are related to one another through descent from a common ancestor. Which of the following prediction follow from the Theory of Evolution? A. The fossil record should contain intermediate forms between major taxonomic groups B. The oldest rock strata are much more likely to contain complex fossils than simple fossils. C. Fossils are always a representation of species that are currently alive (ie extant) even if they have not been detected yet as living on earth at the present time D. All species are unigue and originated independently from each otherarrow_forwardWhich of the following is NOT true of biological evolution? a. It always involves genetic changes b. it always involves groups of individuals c. it requires the existence of genetic variation within a population d. it can include non-genetic changes in an organism, if the organism is complex enougharrow_forward
- 36arrow_forwardHow can Darwin's evolutionary theory influence the following fields in modern times: a. Economy b. Agriculture c. Political Science d. Religionarrow_forwardPeople studying fossils have to employ which of the following species concepts? a. The Morphospecies Concept b. The Biological Species Concept c. The Phylogenetic Species Concept d. The Physical Species Conceptarrow_forward
- All the following statements support the theory that similar organisms have a common ancestor except Select one: a. similar DNA patterns occur in closely related organisms b. organisms sharing a habitat tend to develop similar behaviours c. transitional fossils show links between groups of organisms d. groups of organisms display similar embryonic developmentarrow_forwardThe theory of evolution by Darwin is a composite theory, i.e. it has five component theories: 1. Evolution as such is the simple proposition that the characteristics of lineages of organisms change over time 2. Common descent is a radically different view of evolution than the scheme Lamarck proposed. Common descent is a concept in evolutionary biology applicable when one species is the ancestor of two or more species later in time. 3. Gradualism – Darwin’s proposition that the differences between even radically different organisms have evolved incrementally, by small steps through intermediate forms. The alternative to this theory, as discussed in later sections, is saltation with great reference to large differences that are believed to have evolved by leaps without intermediates. 4. Populational change – Darwin’s thesis that evolution occurs by changes in the proportions of individuals within a population that have different inherited characteristics. 5. Natural selection – Darwin’s…arrow_forwardThe theory of evolution by Darwin is a composite theory, i.e. it has five component theories: 1. Evolution as such is the simple proposition that the characteristics of lineages of organisms change over time 2. Common descent is a radically different view of evolution than the scheme Lamarck proposed. Common descent is a concept in evolutionary biology applicable when one species is the ancestor of two or more species later in time. 3. Gradualism – Darwin’s proposition that the differences between even radically different organisms have evolved incrementally, by small steps through intermediate forms. The alternative to this theory, as discussed in later sections, is saltation with great reference to large differences that are believed to have evolved by leaps without intermediates. 4. Populational change – Darwin’s thesis that evolution occurs by changes in the proportions of individuals within a population that have different inherited characteristics. 5. Natural selection – Darwin’s…arrow_forward
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