Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 44, Problem 17CTQ
Many endemic species are found in areas that are geographically isolated. Suggest a plausible scientific explanation for why this is so.
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Chapter 44 Solutions
Biology 2e
Ch. 44 - Figure 44.10 How might turnover in tropical lakes...Ch. 44 - Figure 44.12 Which of the following statements...Ch. 44 - Figure 44.21 In which of the following regions...Ch. 44 - Which of the following is a biotic factor? wind...Ch. 44 - The study of nutrient cycling though the...Ch. 44 - Understory plants in a temperate forest have...Ch. 44 - An ecologist hiking up a mountain may notice...Ch. 44 - Which of the following biomes is characterized by...Ch. 44 - Which of the following biomes is characterized by...Ch. 44 - Where would you expect to find the most...
Ch. 44 - A key feature of estuaries is: low light...Ch. 44 - Which of the following is an example of a weather...Ch. 44 - Which of the following natural forces is...Ch. 44 - Ecologists often collaborate with other...Ch. 44 - The population is an important unit in ecology as...Ch. 44 - Compare and contrast ocean upwelling and spring...Ch. 44 - Many endemic species are found in areas that are...Ch. 44 - The extremely low precipitation of subtropical...Ch. 44 - In what ways are the subtropical desert and the...Ch. 44 - Scientists have discovered the bodies of humans...Ch. 44 - Describe the conditions and challenges facing...Ch. 44 - Compare and contrast how natural- and human...Ch. 44 - Predict possible consequences if carbon emissions...
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- A species which are facing extremely high risk of extinction in immediate future is called as?arrow_forwardConsider a population of toads living in a canyon here in San Diego. Identify a physical barrier that might emerge to separate these toads into 2 separate groups . Then, explain HOW these groups may diverge into separate species over time through allopatry.arrow_forwardWhich condition is the basis for a species to be reproductively isolated from other members? a. It does not share its habitat with related species. b. It does not exist out of a single habitat. c. It does not exchange genetic information with other species. d. It does not undergo evolutionary changes for a significant period of time.arrow_forward
- 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_forwardWhat is the main difference between dispersal and vicariance? a. One leads to allopatric speciation, whereas the other leads to sympatric speciation. b. One involves the movement of the organism, whereas the other involves a change in the environment. c. One depends on a genetic mutation occurring, whereas the other does not. d. One involves closely related organisms, whereas the other involves only individuals of the same species.arrow_forwardTrue or false. The speciation of ratites into different lineages including emus, cassowaries, ostrich, and kiwi, among others is a result of dispersal.arrow_forward
- According to the morphological species concept, would you classify benthics and limnetics as A) a single species B) separate species C) the species status is not clear according to this species concept. Explain in 2-3 sentences. (I think the answer is separate species, not sure how to explain this...)arrow_forwardCreate a scenario in which red pandas undergoes a speciation event by the mechanism natural selection of climate changearrow_forwardThis type of species isolation is being used during allopatric speciation. Group of answer choices: A- behavioral B- habitat C- gametic D- mechanical Please give me the answer along with the reason. I'll definitely give a like.arrow_forward
- give two examples of an ecological specialist that went extinct. It may be useful to look for coextinction events, in which extinction of one species led to extinction of an ecological specialist that depended on that speciesarrow_forwardWhat are Hox Genes and how to they contribute to the creation of a variety of animal body morphology? Describe Phylum Porifera. What are the distinguishing characteristics and which organisms belong here? Explain the three main levels of Biodiversity. Describe the main threats to biodiversity caused by humans. Describe the ways humans attempt to conserve biodiversity of landscapes and regions?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
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