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EBK BIOLOGY: CONCEPTS AND APPLICATIONS
9th Edition
ISBN: 8220100477805
Author: STARR
Publisher: CENGAGE L
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Chapter 16, Problem 3SQ
Summary Introduction
Introduction:
Evolution is the change in the
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______is the original source of new alleles. a. Mutation c. Gene flow b. Natural selection d. Genetic drift
The word “theory” in theory of evolution is best replaced by ________. a. fact b. hypothesis c. idea d. alternate explanation
which of these is not a central rule of natural selection
a, fitness to the general health and strength of an organism
b, natural selection can only act on traits that affect reproduction
c, natural selection can't occur without population variation
d, a trait must be inherited if natural selection is to act on it
Chapter 16 Solutions
EBK BIOLOGY: CONCEPTS AND APPLICATIONS
Ch. 16 - The number of species on an island usually depends...Ch. 16 - The bones of a birds wing are similar to the bones...Ch. 16 - Prob. 3SQCh. 16 - A trait is adaptive if it _______. a. arises by...Ch. 16 - Prob. 5SQCh. 16 - If the half-life of a radioisotope is 20,000...Ch. 16 - Did Pangea or Gondwana form first?Ch. 16 - Prob. 8SQCh. 16 - Prob. 9SQCh. 16 - Prob. 10SQ
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- Which of the following is false regarding artificial selection? B. Artificial selection is responsible for creating new varieties of plants and animals D. Many if not most organisms created through artificial selection could not survive without humans E. None of the above---all are true statements A. Darwin's understanding of artificial selection helped him arrive at his theory of evolution by natural selection C. Artificial selection is caused through the process of selective breedingarrow_forwardThe process in which environmental pressures result in the differential survival and reproduction of individuals of a population is called_____ . a. catastrophism c. natural selection b. evolution d. geneticsarrow_forwardVariation among pre-cells was due to ________. A. the bottleneck effect B. natural selection C. mutation D. genetic drift 82.arrow_forward
- A trait is adaptive if it_____ . a. arises by mutation c. is passed to offspring b. increases fitness d. occurs in fossilsarrow_forwardBiological evolution is best defined as A. the process of direct observation B. unchanging nature of life on earth C. change in a populations' genetic charteristics over time D. adaptations to common decentarrow_forwardEvolution results from A. mutations. B. natural selection. C. genetic drift. D. gene flow. E. All of the choices are correct.arrow_forward
- What is Natural Selection? A. Inherited traits change over time. B. Organisms develop traits that allow them to survive and reproduce. C. Traits that offer and advantage/benefit will be passed on to offspring. Only A & C Only A All are correct: A, B, & C Only A & Barrow_forwardThrough______ , a body part of an ancestor is modified differently in different lines of descent. a. homologous evolution c. analogous evolution b. convergent evolution d. divergent evolutionarrow_forwardRead the statement and state which evolution it is natural selection that leads to evolution of phenotypic differences A. Stabilizing selection b. Frequency dependent c. Sexual selection d. Diversifying seledtion e. Directional selectionarrow_forward
- Indicate whether each of the following statements about natural selection is true (T) or false (F). Put either a T or an F in each box provided. a. Natural selection alters a population's gene pool b. Natural selection creates new alleles which increase the reproductive success of their owners c. Natural selection favors traits which it anticipates will be beneficial to a species in the future d. Natural selection can at times be observed in nature over the course of just a few decades e. Natural selection acts directly on an individual's phenotypearrow_forwardJohn wants a dog with short hair. To do this, he breeds two dogs, both with short hair. This is called A. Natural Selection B. Artificial Selection C. Genetic Modification D. Random Chancearrow_forwardIn white sands national monument in New Mexico there is a population of very pale lizards whose pale color matches the sand. Other lizard populations of the same species that live on rock are dark in color. What evolutionary is probably responsible for the pale color of the white sands lizards. Group of answer choices A. Mutation B. Sexual Selection C. Natural Selection D. Genetic Drift E. Migration (gene flow)arrow_forward
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