Biology: Concepts and Investment (Comprehensive Instructor's)
4th Edition
ISBN: 9781259869655
Author: Hoefnagels
Publisher: MCG
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Textbook Question
Chapter 14, Problem 3WIO
Why do species become extinct? Choose a species that has recently become extinct, and describe some possible evolutionary consequences to other species that interacted with that species before its extinction.
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If humans were to become extinct, what are three species that might also become extinct and what are three species whose populations would probably grow?
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A) When a population is separated from the main group by a barrier and becomes a new species
B) When a population mutates into a new species
C) When a population develops into a new species without any physical barriers to isolate them
Chapter 14 Solutions
Biology: Concepts and Investment (Comprehensive Instructor's)
Ch. 14.1 - What is the relationship between macroevolution...Ch. 14.1 - Prob. 2MCCh. 14.1 - What are some of the challenges in defining...Ch. 14.2 - Prob. 1MCCh. 14.2 - Prob. 2MCCh. 14.3 - Distinguish among allopatric, parapatric, and...Ch. 14.3 - Prob. 2MCCh. 14.3 - Prob. 3MCCh. 14.4 - Describe the theories of gradualism and punctuated...Ch. 14.4 - Prob. 2MC
Ch. 14.5 - Prob. 1MCCh. 14.5 - Prob. 2MCCh. 14.5 - Prob. 3MCCh. 14.6 - Describe the taxonomic hierarchy.Ch. 14.6 - What is the advantage of a cladistics approach...Ch. 14.6 - Distinguish between ancestral and derived...Ch. 14.6 - Prob. 4MCCh. 14.6 - How is a cladogram constructed?Ch. 14.6 - Prob. 6MCCh. 14.7 - Prob. 1MCCh. 14.7 - Prob. 2MCCh. 14 - The biological species concept defines species...Ch. 14 - Prob. 2MCQCh. 14 - A mountain range separates a population of...Ch. 14 - Prob. 4MCQCh. 14 - Prob. 5MCQCh. 14 - What type of reproductive barrier applies to each...Ch. 14 - How does natural selection predict a gradualistic...Ch. 14 - Why do species become extinct? Choose a species...Ch. 14 - Which of the groups in figure 1.9 represent...Ch. 14 - On figure 14.20, circle a monophyletic group, a...Ch. 14 - Prob. 1PITCh. 14 - Add fertilization and offspring to this concept...Ch. 14 - Draw pictures of allopatric, parapatric, and...Ch. 14 - Prob. 4PIT
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- The pupfishes in the Death Valley region are an example of which evolutionary process? (a) background extinction (b) allopatric speciation (c) sympatric speciation (d) allopolyploidy (e) paedomorphosisarrow_forwardAdaptive radiation is when populations diverge from a common ancestor into new species, each of which is adapted to its own unique niche. Provide evidence to highlight an example as to how this may have occurred in some of the species of penguins.arrow_forward. What is adaptive radiation? Explain it with the example of Darwin's finches.arrow_forward
- If an altered structure, such as the long neck of the giraffe, is advantageous, why don’t all species have that structure?arrow_forwardWhy is studying extinctions is critical for our survival?arrow_forwardSince different species may occupy the same habitat, explain why they continue to remain separate species? Adaptive radiation is when populations diverge from a common ancestor into new species, each of which is adapted to its own unique niche. Provide evidence to highlight an example as to how this may have occurred in some of the species of penguins. What types of biological evidence would you need to look at to determine evolutionary relatedness between penguin species? **ALL ANSWERS ARE ABOUT THE SPECIES OF PENGUINS**arrow_forward
- What is Natural Selection? (Use the follow-up questions below to construct your answer) How did different environments 'select' for certain beaks? What will happen to the birds that are no longer well suited to eat the type of food the island provides?arrow_forwardIf two groups of mice live on opposite sides of a river, they are two separate species. What two processes must have occurred in order for them to have become separate species?arrow_forwardWhat specific traits would decrease a species' risk of extinction? Provide examples and explanations.arrow_forward
- Climate warming could lead to all-female populations of bearded dragons, resulting in extinction of the species. What are some other potential effects of climate warming on natural populations of organisms?arrow_forwardIn one of the hypotheses that explain the extinction of the dinosaurs, the rapid climatic change produced an environmental situation with which these species could not cope. How important is the total amount of variation present in the population if the selective pressures suddenly change? Why?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
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