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The salamander mussel (Simpsonaias ambigua) is a unique member of Unionida in that is the only mussel to have a non-fish host. Salamander mussels parasitize large aquatic salamanders known as mudpuppies (Necturus maculosus). Like many other mussels before them, salamander mussels are now being considered for listing under the endangered species act due to widespread population declines. The figure to the right shows the results of survey efforts for both mudpuppies (shaded counties) and salamander mussels (gray and black circles) in Indiana. The gray circles denote streams where old, weathered salamander mussel shells were found and the black circles represent streams where live salamander mussels were found. Use this figure to answer the questions on the following page. 0 35 70 Kilometers Simpsonaias ambigua -live/FD Simpsonaias ambigua - WD/SF VA New Counties since Minton (2001) Minton (2001)

The salamander mussel (Simpsonaias ambigua) is a unique member of Unionida in that is the only mussel to have a non-fish host. Salamander mussels parasitize large aquatic salamanders known as mudpuppies (Necturus maculosus). Like many other mussels before them, salamander mussels are now being considered for listing under the endangered species act due to widespread population declines. The figure to the right shows the results of survey efforts for both mudpuppies (shaded counties) and salamander mussels (gray and black circles) in Indiana. The gray circles denote streams where old, weathered salamander mussel shells were found and the black circles represent streams where live salamander mussels were found. Use this figure to answer the questions on the following page. 0 35 70 Kilometers Simpsonaias ambigua -live/FD Simpsonaias ambigua - WD/SF VA New Counties since Minton (2001) Minton (2001)

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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-What do records for salamander mussels tell us in the absence of records for mudpuppies?

-Can we draw the same conclusions from records for mudpuppies in the absence of salamander mussel records?

-What might we assume to be the case for streams without mudpuppy records where only weathered salamander mussel shells were found during surveys?

-Is the mudpuppy or salamander mussel likely more vulnerable to extinction? Explain your answer.



The salamander mussel (Simpsonaias ambigua) is a unique member of Unionida in that is the only mussel to have a non-fish host. Salamander mussels parasitize large aquatic salamanders known as mudpuppies (Necturus maculosus). Like many other mussels before them, salamander mussels are now being considered for listing under the endangered species act due to widespread population declines. The figure to the right shows the results of survey efforts for both mudpuppies (shaded counties) and salamander mussels (gray and black circles) in Indiana. The gray circles denote streams where old, weathered salamander mussel shells were found and the black circles represent streams where live salamander mussels were found. Use this figure to answer the questions on the following page. 0 35 70 Kilometers Simpsonaias ambigua -live/FD Simpsonaias ambigua - WD/SF VA New Counties since Minton (2001) Minton (2001)
Transcribed Image Text:The salamander mussel (Simpsonaias ambigua) is a unique member of Unionida in that is the only mussel to have a non-fish host. Salamander mussels parasitize large aquatic salamanders known as mudpuppies (Necturus maculosus). Like many other mussels before them, salamander mussels are now being considered for listing under the endangered species act due to widespread population declines. The figure to the right shows the results of survey efforts for both mudpuppies (shaded counties) and salamander mussels (gray and black circles) in Indiana. The gray circles denote streams where old, weathered salamander mussel shells were found and the black circles represent streams where live salamander mussels were found. Use this figure to answer the questions on the following page. 0 35 70 Kilometers Simpsonaias ambigua -live/FD Simpsonaias ambigua - WD/SF VA New Counties since Minton (2001) Minton (2001)
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