BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
12th Edition
ISBN: 9781264058167
Author: Raven
Publisher: MCG CUSTOM
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Chapter 58.4, Problem 2LO
Describe the potential roles of natural selection and
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explain how species diversity promotes adaptation and survival in changing environments.
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Chapter 58 Solutions
BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
Ch. 58.1 - Describe the history of extinction through time.Ch. 58.1 - Prob. 2LOCh. 58.2 - Prob. 1LOCh. 58.2 - Prob. 2LOCh. 58.3 - Prob. 1LOCh. 58.3 - Explain how these causes can interact to bring...Ch. 58.4 - Prob. 1LOCh. 58.4 - Describe the potential roles of natural selection...Ch. 58.4 - Prob. 3LOCh. 58.5 - Prob. 1LO
Ch. 58.5 - Prob. 2LOCh. 58.5 - Prob. 3LOCh. 58 - If we assume that population density is a good...Ch. 58 - Prob. 2DACh. 58 - Would the extinction rate increase if an area were...Ch. 58 - Prob. 4DACh. 58 - Why do population density and growth rates differ...Ch. 58 - Why might whale populations fail to recover once...Ch. 58 - Why do small populations lose genetic variation?Ch. 58 - Prob. 1UCh. 58 - The economic value of indirect ecosystem services...Ch. 58 - The amphibian decline is best described as a....Ch. 58 - Prob. 4UCh. 58 - When populations are drastically reduced in size,...Ch. 58 - A captive-breeding program followed by release to...Ch. 58 - Historically, island species have tended to become...Ch. 58 - Ninety-nine percent of all the species that ever...Ch. 58 - To effectively address the biodiversity crisis,...Ch. 58 - The introduction of a nonnative predator to an...Ch. 58 - If 99% of the species that ever existed are now...Ch. 58 - Prob. 2SCh. 58 - Prob. 3SCh. 58 - Prob. 4SCh. 58 - Prob. 5S
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- Explain Coevolution and Diversification of speciesarrow_forwardDescribe a scenario showing how ecological change andevolution can affect one another.arrow_forwardThreats to Biodiversity Match each description to the type of threat it presents to biodiversity. NOTE: If you want to change your selection, you'll need to delete the one you already chose. After you delete it, the list of choices will pop back up and you can make a different choice Burning fossil fuels and cutting down forests habitat loss Replacing grassland with neighborhoods climate change Accidentally or purposefully moving an organism from one place to exotic species another overharvesting Many people fishing for the same speciesarrow_forward
- Bob Davison describes the Endangered Species Act (ESA) as an effective tool for conserving biological diversity. What is his rationale for the value of focusing on individual species? The public is not concerned about the economic costs of individual species recovery. A focus on individual species is cheaper than protecting entire ecosystems. Establishing public empathy for charismatic species provides an opportunity to educate people about lesser-known species. The public tends to value intact ecosystems over particular plant and animal species.arrow_forwardDiscuss the role of disturbances in moderating species diversity with relation to succession and the Intermediate Disturbance Hypothesis. You may refer to the disturbances and species diversity diagram in your discussion, and explain some of the key characteristics of r-selected and k-selected species that lead to these observed patterns.arrow_forwardHabitat fragmentation can lead to: a)The disappearance of the matrix due to decreased habitat heterogeneity b) Changes in patch use by animals, with smaller patches leading increased size of home range or movement for many animals c) Variation in microenvironment near the edge of the patch with negative consequences for diversityarrow_forward
- Explain about information gap of Adaptation of species to changes in the environment ( livestock )arrow_forwardIs it possible that some species function together as an integrated, holistic community, whereas other species at the same locality behave more individualistically? If so, what factors might determine which species function in which way?arrow_forwardCompare and contrast species scale vs. system scale goals for conserving both mutualist biodiversity and mutualist ecosystem function. Give a real world example in which one of these approaches is used for mutualism conservation and explain its strengths and weaknesses with respect to conserving mutualism.arrow_forward
- Outline the umbrella species concept as an approach to conservation biology using an example species. Briefly include in your answer the 'pros and cons' to this methodarrow_forwardPlease answer questions from 1 to 10 1) compare species diversity and genetic diversity 2) list several reasons to value biodiversity 3) how does the green house effect occur? 4) identify the primary causes of modern species extinction 5) describe how pesticides, such as DDT, undergo the process of biological magnification 6) choose a species that might be affected by global warming, and predict how that species might be affected 7) contrast conservation biology with restoration biology 8) explain why reserves protect biodiversity 9) explain causes and affects of acid rain 10) give an account of the factors that threaten biodiversityarrow_forwardExplain how resource partitioning involving ecological character displacement can ease competition between coexisting species.arrow_forward
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