Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 16, Problem 3SQ
Summary Introduction
Introduction: Evolution is a very slow process that occurs gradually. Evolution is a process where the change occurs in the living things over the time period that is successfully inherited and passed to future generations. At every level of organization of living beings, the evolution leads to biodiversity.
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______is the original source of new alleles. a. Mutation c. Gene flow b. Natural selection d. Genetic drift
The 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. genetics
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 breeding
Chapter 16 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 16 - The number of species on an island depends on the...Ch. 16 - Prob. 2SQCh. 16 - Prob. 3SQCh. 16 - A trait is adaptive if it ______. a. arises by...Ch. 16 - Prob. 5SQCh. 16 - Discovery of Iridium in the K-Pg Boundary Sequence...Ch. 16 - Prob. 2DAACh. 16 - Which of the following is a fossil? a. an insect...Ch. 16 - If the half-life of a radioisotope is 20,000...Ch. 16 - Prob. 8SQ
Ch. 16 - The dinosaurs died out ______ million years ago.Ch. 16 - On the geologic time scale, life originated in the...Ch. 16 - Prob. 11SQCh. 16 - Forces that cause geologic change include ___...Ch. 16 - Radiometric dating does not measure the age of an...Ch. 16 - If you think of geologic time spans as minutes,...
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- 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_forward____tends to keep populations of a species similar to one another. a. Genetic drift c. Mutation b. Gene flow d. Natural selectionarrow_forwardMutation (a) leads to adaptive evolutionary change (b) adds to the genetic variation of a population (c) is the result of genetic drift (d) almost always benefits the organism (e) a and barrow_forward
- The word “theory” in theory of evolution is best replaced by ________. a. fact b. hypothesis c. idea d. alternate explanationarrow_forwardWhat is meant by the following statement? "When mutation is random, natural selection is not." Mark all correct answers Group of answer choices A. A mutation is caused by changes in the environment. B. Natural selection can favor some mutations and not others. C.Mutations for advantageous traits are more likely to be passed on to the next generation. D.Selection can change depending on the environment.arrow_forwardwww.ck 12.org The Theory of Evolution C. acquired inheritance. d. geologic change. 6. The type of evolution observed by Peter and Rosemary Grant on the Galapagos Islands is referred to as a. macroevolution. b. comparative evolution. C. microevolution. d. stabilizing evolution. 7. A gene pool consists of all the genes in a(n) goloid to lle vinu b a. species. Bypopulation. individual. d. genome. 8. All of the following are forces of evolution except a. genetic drift. b. mutation. C. gene flow. (d. gradualism. 9. The evolution of sexual dimorphism comes about through a. directional selection. b. artificial selection. c. disruptive selection. d, none of the above. 10. The evolution of Kaibab squirrels is an example of a. coevolution. b. sympatric speciation. C. symbiotic evolution. d. allopatric speciation. True or False Write true if the statement is true or false if the statement is false.arrow_forward
- Evolution results from A. mutations. B. natural selection. C. genetic drift. D. gene flow. E. All of the choices are correct.arrow_forwardNatural selection favored dark-colored fur in the rock pocket mouse. The selective force on the mouse population was ________. 1 - Predators 2 - Genetic mutations 3 - Rock color 4 - Availability of food for the rock pocket mice a) 1 only b) 1 and 3 c) 2 and 3 d) 1, 3 and 4arrow_forwardWhich of the following statements about natural selection is a misconception? a.Most species don't produce more offspring than the environment can support b.Natural selection acts on heritable variations in a population c.Natural selection involves differential reproductive success d.Natural selection occurs as a result of competition among individuals in a population e.In natural selection, traits that are favoured depend on current environmental conditionsarrow_forward
- Rate of evolution by selection is highest for an allele when it is _________ . a. wild type b. recessive c. dominant d. co-dominantarrow_forwardDON'T EXPLAIN, JUST GIVE THE ANSWER According to Charles Darwin, organic evolution is "descent with modification," which simply means Select one: A. inherited variations decline as reproductive potential is modified. B. characteristics acquired during the lifetime of an individual are passed on to all descendants of the individual. C. the fittest always impose change on the less fit. D. populations change over time.arrow_forwardWhich of the following best explains the role mutations play in natural selection?A. Most mutations are negative and result in the extinction of the entire speciesB. Mutations may appear for one or two generations, but they usually disappear quickly.C. If the environment changes, an existing organism develops a mutation that will help them to survive.D. Some mutations give individuals an advantage in their environment, allowing them to survive and reproduce.D is my answer is it correct?arrow_forward
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