Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 22, Problem 2TYK
Summary Introduction
Introduction:
Biologists have given many theories and concepts regarding the categorization of individuals into species. These concepts are- morphological species concept, biological species concept, and phylogenetic species concept.
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Which of the following is a problem with using the Biological Species Concept?
A. it doesn't apply to asexual populations
B. It doesn't apply to tropical organisms
C. it doesn't take into account reproductive compatibility
D. there are no issues with this species concept
Which of the following is an example of postzygotic reproductive isolation?a. Sperm of species A dies in the oviduct of species B before fertilization can take place.b. Hybrid zygotes between species A and B are spontaneously aborted early indevelopment.c. The mating seasons of species A and B do not overlap.d. Males of species A are not attracted to the pheromones produced by the females ofspecies B.
Which of the following is not part of how we definea species?a. Its individuals appear different from other species.b. It is reproductively isolated from other species.c. Its populations can interbreed.d. Fertile offspring are produced.
Chapter 22 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 22.1 - How do the morphological, biological, and...Ch. 22.1 - What is clinical variation?Ch. 22.2 - What is the difference between prezygotic and...Ch. 22.2 - Prob. 2SBCh. 22.3 - Prob. 1SBCh. 22.3 - Why might insects from different host races be...Ch. 22.4 - Prob. 1SBCh. 22.4 - Prob. 2SBCh. 22 - The biological species concept defines species on...Ch. 22 - Prob. 2TYK
Ch. 22 - A characteristic that exhibits smooth changes in...Ch. 22 - Prezygotic is isolating mechanisms: a. reduce the...Ch. 22 - In the model of allopatric speciation, the...Ch. 22 - Prob. 6TYKCh. 22 - If two species of holly (genus Ilex) flower during...Ch. 22 - Prob. 8TYKCh. 22 - An animal breeder, attempting to cross a llama...Ch. 22 - Prob. 10TYKCh. 22 - Apply Evolutionary Thinking How do human...Ch. 22 - Prob. 12TYKCh. 22 - Prob. 13TYKCh. 22 - Prob. 14TYKCh. 22 - Prob. 15TYKCh. 22 - David Hills of Baylor University noted that three...
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- Which of the following is not part of how we define a species? a. Its individuals appear different from other species. b. It is reproductively isolated from other species. c. Its populations can interbreed. d. Fertile offspring are produced.arrow_forward4) The Biological Species Concept classifies a species based on a.the role the organism plays in the environment. b.reproductive characteristics c.both morphological characteristics and reproductive isolation. d.genetic relationships between an organism and its ancestor. e.morphological characteristicsarrow_forwardWhich of the following best explains the morphological species concept?arrow_forward
- Two parents, who are thought to be different species, mate and produce viable hybrid offspring. When two of these hybrids mate, their offspring are not viable. What is the BEST interpretation of this data? A. The original parents are the same species because they can breed together. B. The original parents are the same species because they can breed together and produce viable offspring. C. The original parents are not the same species because they produce hybrids that impair the species’ development or survival in its environment. D. The original parents are not the same species because they produce hybrids that can have reduced viability and fertility when they mate.arrow_forwardThe biological species concept emphasizes whether populations a. look the same. b. have similar biochemical pathways. c. can have gene flow between them. d. share common ancestry. e. have similar ecological requirements.arrow_forwardn which situation would it make sense to use the morphological species concept? When you are able to collect data about how individuals in your study use their habitat, but you are unable to determine if they interbreed When working with fossils from extinct organisms When you only have genetic data about each organism in your study When you are not able to collect data about how individuals in your study use their habitat, but you are able to collect reproductive dataarrow_forward
- Problems with the biological species concept include the fact that a. many species reproduce asexually. b. postzygotic isolating mechanisms decrease hybrid viability. c. prezygotic isolating mechanisms are extremely rare. d. All of the choices are correct.arrow_forwardwhich statement is false? 1)In the context of the evolution of senescence, the aphorism "live fast and die young" means that organisms with a more risky behavior will have a shorter life span. 2)Allopatric speciation is a type of speciation process that takes place in different geographic locations.arrow_forwardThe biological species concept is based on the assumption that species are reproductively isolated and do not share genes. And yet a number of organisms that are considered different species hybridize (mate and exchange genes). Hybridization between different species is more common in plants than in animals. Propose some possible reasons for this difference.arrow_forward
- Which of the following may be true of two species that are a result of allopatric speciation? Select all that apply. a They will be genotypically similar. b They will be phenotypically similar. c They can produce viable offspring. d They will be geographically isolated.arrow_forwardAllopatric, but not sympatric, speciation requiresa. reproductive isolation.b. geographic isolation.c. spontaneous differences in males and females.d. prior hybridization.e. rapid rate of mutation.arrow_forward1) In allopatric speciation, geographic separation of two populations a.reduces the relative fitness of hybrid offspring. b.is sufficient for speciation to occur. c.allows gene flow between them. d.inhibits gene flow between them.arrow_forward
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