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 11TYK
Apply Evolutionary Thinking How do human activities (such as destruction of natural habitats, diversion of rivers, and the construction of buildings) influence the chances that new species of plants and animals will evolve in the future? Frame your answer in terms of the geographical and genetic factors that foster
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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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- Create a scenario in which red pandas undergoes a speciation event. Select one of the following mechanisms of evolution - explain the mechanism, what trait it is impacting, and how this results in speciation. Mechanisms: Geographical barriers / Sexual selection / Bottleneck / Artificial selection / Founder effect / Natural selection due to climate change.arrow_forwardDescribe Natural Selection and Speciation. Explain how a new species could form. What three aspects of living organisms are responsible for the operation of natural selection? -Philosophy of sciencearrow_forwardEvolution is the theory that species change over time. According to this theory, new species form from existing species through variation and natural selection. The evolutionary process is very slow and the transformation of one species into another requires thousands of years. Several evidences are used to prove evolution and somehow reconstruct how this process occur: 1.Fossil Records. 2.Homologous Body Structures. 3.Vestigial structures. 4.Similarity of embryo. 5.Geographical evidencearrow_forward
- n 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_forwardAssume you are studying a population of ocean shrimp that reproduce asexually. You sequence the ocean shrimp and the species that is their closest living relative that reproduces sexually. You find that the asexually reproducing species has a higher number of mutations in the genome. This finding would provide support for which of the following ideas? Linkage disequilibrium Stabilizing selection Disruptive selection Muller's ratchetarrow_forwardDiscuss the process of evolution through natural selection. What could happen to the ecosystem and animals in ten, one hundred, or one thousand years? Is it feasible for them to continue evolving or do they eventually become extinct? Explain your answer concisely.arrow_forward
- Hybridization was not originally recognized as a mechanism of speciation by either Darwin or the researchers of the "new synthesis". However, today there are many examples of species that have originated through hybridization. What is the best explanation for why we have so many examples of species originating through hybridization? Hybridization is more likely to occur in regions where scientists have put in more effort studying speciation Hybridization has been carried out frequently by farmers attempting to produce new, better species to grow Hybridization occurs fairly regularly, and when it leads to new species only takes a few generations, which is fast enough for researchers to see fairly easily Hybridization is fairly easy to study in captivityarrow_forwardw4 applyarrow_forwardNaturalists who have accepted evolutionary theory now propose that: all of the items listed extinction occurs when the food supply becomes nutritionally unbalanced O populations of plants and animals in nature most often consist of individuals that are clones of each other populations of a species that become isolated from others by adapting to different environmental niches quickly become extinct those individuals whose variation gives them an advantage in staying alive long enough to reproduce are more likely to pass their traits on to the next generationarrow_forward
- describe the modern theory of evoluton and discuss how it is supported by evidence from two of the following three areas a.population genetics b.molecular biology c.comparative anatomy and embryology evolution is one of the major unifying concepts of modern biology.explain the mechanism that lead to evolutionary change.describe how scientists use each of the following as evidence fornevolution a.bacterial resistance to antibiotics b.comparative biochemistry c.the fossil recordsarrow_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_forwardDescribe three or more genetic mechanisms that may lead to the rapid evolution of a new species. Which of these genetic mechanisms are influenced by natural selection, and which are not?arrow_forward
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