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Home Q & A Board Biology-Related Homework Help General Biology
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shannonmcqu shannonmcqu
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10 years ago
The island fox shares a common ancestor with the gray fox, Urocyon cinereoargenteus, which is found on the mainland. Both species have similar coloration and a diploid chromosome number of 66. One structural difference between the two species is the reduced size of the island fox, a feature known as dwarfism. The various island subspecies also differ from each other in size, number of tail vertebrae, and other characteristics.
The phylogenetic tree below shows the evolutionary relationships between the island fox subspecies and the gray fox. Drag the labels to their appropriate locations on the tree.

First, drag the blue labels onto the blue targets to identify the common ancestors at the branch points.
•Next, drag one white label onto the white target to identify the homologous characteristic.
•Then, drag one pink label onto the pink target to identify the relationship between the two species.
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zukipandazukipanda
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#1
Posts: 25
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10 years ago
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This verified answer contains over 310 words and 1 attached file(s).
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#2
10 years ago
I am not going to give you the answer because I figured it out without having a Biology background.  I will give you the explanation that is posted as a result of providing the correct answer.  Besides, if you read the question, THEY GIVE YOU THE ANSWER.  Read it and learn something.

Correct

One notable difference between gray foxes and island foxes is the small size of island foxes. This character (dwarfism) was exhibited by the common ancestor of all six island fox subspecies. Note that the northern Channel Island fox subspecies are more closely related to each other than to any of the southern subspecies, and that the southern subspecies are more closely related to each other than to the northern subspecies.
Source  Mastering Bio CHPT 22.
smellynan
wrote...
#3
9 years ago
Quote from: shannonmcqu (10 years ago)
The island fox shares a common ancestor with the gray fox, Urocyon cinereoargenteus, which is found on the mainland. Both species have similar coloration and a diploid chromosome number of 66. One structural difference between the two species is the reduced size of the island fox, a feature known as dwarfism. The various island subspecies also differ from each other in size, number of tail vertebrae, and other characteristics.
The phylogenetic tree below shows the evolutionary relationships between the island fox subspecies and the gray fox. Drag the labels to their appropriate locations on the tree.

First, drag the blue labels onto the blue targets to identify the common ancestors at the branch points.
•Next, drag one white label onto the white target to identify the homologous characteristic.
•Then, drag one pink label onto the pink target to identify the relationship between the two species.

 Attached file 
Thumbnail(s):
You must login or register to gain access to this attachment.
BRITASTICC,  MrMajestic,  Raelle123
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#4
9 years ago
thanks so much for explaining this! lol
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#5
9 years ago
thanks
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#6
9 years ago
Thank you
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#7
9 years ago
Thank you!!
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#8
9 years ago
thanks yous
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#9
9 years ago
Thanks for the help
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#10
9 years ago
Thank you!
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#11
9 years ago
Thank You
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#12
9 years ago
Thank you!
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#13
9 years ago
THANK YOU !
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