The Resource The role of skeletal development in body size evolution of two North American frogs, by Sarah Beth Havens, (electronic resource)

The role of skeletal development in body size evolution of two North American frogs, by Sarah Beth Havens, (electronic resource)

Label
The role of skeletal development in body size evolution of two North American frogs
Title
The role of skeletal development in body size evolution of two North American frogs
Statement of responsibility
by Sarah Beth Havens
Creator
Subject
Genre
Language
eng
Summary
"In order to better understand the evolution of miniaturization in Acris blanchardi, a North American Hylid with a unique life history and of ecological interest in the United States. The development and ossification sequences of 48 larvae, 5 juveniles and 5 adult A. blanchardi were examined. The adult was described by Maglia et al. (2007) to be a miniature and to display morphological novelties. In addition, 44 larvae, 2 juvenile and 5 adults of Pseudacris crucifer a closely related frog that has been suggested to be a miniature, were examined. The cranial and postcranial adult elements of this species, as well as development and ossification of the larvae were described. The onset of ossification is described for both species and, to better understand timing relative to other hylids, they are compared to a non-miniature, Hyla lanciformis. Ossification of the cranial elements in A. blanchardi begins at similar Gosner Stages as Hyla lanciformis, but most elements never fully ossify. P. crucifer begins ossification of cranial elements much later in development but continues ossification longer and ossifies more completely. In addition to poor ossification, A. blanchardi also adds novel endochondral ossification and random mineralization to the cranium to support under-ossified elements such as the nasals and otic capsule. Based on these results, the patterns of ossification leading to miniaturization in A. blanchardi are revealed, and no evidence of miniaturization in P. crucifer was discovered"--Abstract, p. iv
Related
Cataloging source
UMR
http://library.link/vocab/creatorDate
1981-
http://library.link/vocab/creatorName
Havens, Sarah Beth
Degree
M.S.
Dissertation year
2010.
Granting institution
Missouri University of Science and Technology
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • theses
http://library.link/vocab/subjectName
  • Frogs
  • Frogs
  • Morphology
Target audience
specialized
Label
The role of skeletal development in body size evolution of two North American frogs, by Sarah Beth Havens, (electronic resource)
Instantiates
Publication
Note
  • Vita
  • The entire thesis text is included in file
  • Title from title screen of thesis/dissertation PDF file (viewed June 7, 2010)
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
black and white
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Control code
639025563
Dimensions
unknown
Extent
1 online resource (xii, 115 pages)
Form of item
electronic
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
illustrations, digital, PDF file.
Specific material designation
remote
System control number
(OCoLC)639025563
System details
  • System requirements: Adobe Acrobat Reader; Internet browser
  • Mode of access: World Wide Web
Label
The role of skeletal development in body size evolution of two North American frogs, by Sarah Beth Havens, (electronic resource)
Publication
Note
  • Vita
  • The entire thesis text is included in file
  • Title from title screen of thesis/dissertation PDF file (viewed June 7, 2010)
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier
Color
black and white
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent
Control code
639025563
Dimensions
unknown
Extent
1 online resource (xii, 115 pages)
Form of item
electronic
Media category
computer
Media MARC source
rdamedia
Media type code
  • c
Other physical details
illustrations, digital, PDF file.
Specific material designation
remote
System control number
(OCoLC)639025563
System details
  • System requirements: Adobe Acrobat Reader; Internet browser
  • Mode of access: World Wide Web

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