BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 58, Problem 3DA
Would the extinction rate increase if an area were decreased in size by 90%? If so, by how much?
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Which types of species are most vulnerable to extinction?
In your region, what species are threatened with extinction? Why are they vulnerable? Suggest steps that could be taken to increase their populations.
If the human species were to suffer a population crash, what are three species that might move in to occupy part of our ecological niche?
Chapter 58 Solutions
BIOLOGY
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- How might the removal of a regionally adapted population make a species more susceptible to extinction?arrow_forwardA keystone species is one whose removal from a community causes extinction of other species. How does this extinction happen?arrow_forwardWhich are threatened species ? How can we save them ?arrow_forward
- How would you respond to someone who says that because extinction is a natural process, we should not worry about the loss of biodiversity when species become extinct largely because of our activities?arrow_forwardWhat does it mean if the growth rate is 0.090, probability of extinction is 0.00, mean population is 240, and genetic diversity is 92?arrow_forwardWhy might the increasing human population result inan increase in the extinction rate of other species?arrow_forward
- Do resources have to be present in limited supplies for competition to shape species niches? Yes or No.arrow_forwardWith an extinction rate of 100 E/MSY and an estimated 10 million species, how many extinctions are expected to occur in a century?arrow_forwardWhat would be the effects if the freshwater crocodile is removed from the ecological network?arrow_forward
- If the fish on only one side of the island are dying, what will happen to the population dispersion of the fish?arrow_forwardIf the human species suffered a population crash, name three species that might move in to occupy part of our ecological niche.arrow_forwardWhy can reduction in species biodiversity be a problem for an ecosystem, and what are two things that humans can do to preserve or increase species biodiversity?arrow_forward
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