Question

Which of the following attributes of a species might render it especially susceptible to extinction? a) It lives in a marine habitat. b) It exists as two distinct subpopulations. c) It is an invasive species. d) It is short-lived. e) It has a narrow dispersal range.

Name: Problem 6, Chapter 16: What Is Life? A Guide to Biology
Uploaded: 2021-01-07T13:43:18-08:00
Duration: 2 min 1 s
Channel: Alexander Cheng
Description: Which of the following attributes of a species might render it especially susceptible to extinction? a) It lives in a marine habitat. b) It exists as two distinct subpopulations. c) It is an invasive species. d) It is short-lived. e) It has a narrow dispersal range.

   Which of the following attributes of a species might render it especially susceptible to extinction?
a) It lives in a marine habitat.
b) It exists as two distinct subpopulations.
c) It is an invasive species.
d) It is short-lived.
e) It has a narrow dispersal range.

What Is Life? A Guide to Biology

Jay Phelan 2nd Edition

Chapter 16, Problem 6

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Solved by Expert Alexander Cheng

01/07/2021

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Which of the following attributes of a species might render it especially susceptible to extinction? a) It lives in a marine habitat. b) It exists as two distinct subpopulations. c) It is an invasive species. d) It is short-lived. e) It has a narrow dispersal range.

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Key Concepts

Population Fragmentation

Population fragmentation refers to a situation in which a species exists in two or more isolated subpopulations with limited or no gene flow between them. This separation can lead to small effective population sizes in each fragment, increasing the impacts of genetic drift, inbreeding, and reducing the overall resilience of the species to environmental changes or stochastic events, thereby increasing its susceptibility to extinction.

Geographic Range Limitation

Geographic range limitation, particularly when a species has a narrow dispersal range, limits its distribution and ability to colonize new or recovering habitats after local disturbances. A restricted range can lead to increased vulnerability from specific threats, such as habitat destruction or climate change, because the species lacks the flexibility to expand into other areas, rendering it more prone to extinction.

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