Difference between revisions of "Translations:AY Honors/Cetaceans/Answer Key/15/en"

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Message definition (AY Honors/Cetaceans/Answer Key)

{| class="wikitable"
|'''Characteristic'''||'''Odontoceti <br/>(toothed whale)'''||'''Mysticeti<br/>(baleen whales)'''
|-
|Feeding||Echolocation, fast||Filter feeder, not fast
|-
|Size|||Smaller (except Sperm whale and beaked whale)||Larger (except pygmy right whale)
|-
|Blowhole|Blowhole||One||Two
|-
|Dentition|||Teeth||Baleen plates
|-
|Melon||Ovoid, in anterior facial region||Vestigial or none
|-
|Skull and facial tissue||Dorsal (anatomy)|Dorsally asymmetric |||Symmetric
|-
|Sexual dimorphism||Some species have larger males||Females always larger
|-
|Mandible||Symphyseal (fused anteriorly)||Nonsymphyseal
|-
|Pan bone of lower jaw||Yes||No
|-
|Maxillae projection||Outward over expanded supraorbital processes||Under eye orbit, with bony protuberance anterior to eye orbit
|-
|Olfactory nerve and Olfactory bulb||Absent<ref>[http://www.dolphinaris.com/medical%20facts/dolphin%20senses.aspx Dolphin Senses]</ref>||Vestigial<ref>[http://www.seaworld.org/infobooks/baleen/sensesbw.html Baleen Whales: Senses]</ref>
|-
|Periotic bone||External to skull, fused with Tympanic part of the temporal bone|tympanic bulla||Fused with skull<ref name=emm2>{{cite book
|last=Hooker |first=Sascha K.
|chapter = Toothed Whales. Overview
|editor1-last=Perrin |editor1-first=William F.
|editor2-last=Wursig |editor2-first=Bernd
|editor3-last=Thewissen |editor3-first=J. G. M.
|title=Encyclopedia of Marine Mammals
|year=2009 |edition=2 |publisher=Academic Press |page=1174
|location=Burlington Ma. 01803 |ISBN=978-0-12-373553-9
|url=http://www.elsevier.com/wps/find/bookdescription.cws_home/716899/description#description}}</ref>
|}

{| class="wikitable"
|'''Characteristic'''||'''Odontoceti <br/>(toothed whale)'''||'''Mysticeti<br/>(baleen whales)'''
|-
|Feeding||Echolocation, fast||Filter feeder, not fast
|-
|Size|||Smaller (except Sperm whale and beaked whale)||Larger (except pygmy right whale)
|-
|Blowhole|Blowhole||One||Two
|-
|Dentition|||Teeth||Baleen plates
|-
|Melon||Ovoid, in anterior facial region||Vestigial or none
|-
|Skull and facial tissue||Dorsal (anatomy)|Dorsally asymmetric |||Symmetric
|-
|Sexual dimorphism||Some species have larger males||Females always larger
|-
|Mandible||Symphyseal (fused anteriorly)||Nonsymphyseal
|-
|Pan bone of lower jaw||Yes||No
|-
|Maxillae projection||Outward over expanded supraorbital processes||Under eye orbit, with bony protuberance anterior to eye orbit
|-
|Olfactory nerve and Olfactory bulb||Absent<ref>[http://www.dolphinaris.com/medical%20facts/dolphin%20senses.aspx Dolphin Senses]</ref>||Vestigial<ref>[http://www.seaworld.org/infobooks/baleen/sensesbw.html Baleen Whales: Senses]</ref>
|-
|Periotic bone||External to skull, fused with Tympanic part of the temporal bone|tympanic bulla||Fused with skull<ref name=emm2>{{cite book
|last=Hooker |first=Sascha K.
|chapter = Toothed Whales. Overview
|editor1-last=Perrin |editor1-first=William F.
|editor2-last=Wursig |editor2-first=Bernd
|editor3-last=Thewissen |editor3-first=J. G. M.
|title=Encyclopedia of Marine Mammals
|year=2009 |edition=2 |publisher=Academic Press |page=1174
|location=Burlington Ma. 01803 |ISBN=978-0-12-373553-9
|url=http://www.elsevier.com/wps/find/bookdescription.cws_home/716899/description#description}}</ref>
|}

Characteristic	Odontoceti (toothed whale)	Mysticeti (baleen whales)
Feeding	Echolocation, fast	Filter feeder, not fast
Size	Smaller (except Sperm whale and beaked whale)	Larger (except pygmy right whale)
Blowhole	One	Two
Dentition	Teeth	Baleen plates
Melon	Ovoid, in anterior facial region	Vestigial or none
Skull and facial tissue	Dorsally asymmetric	Symmetric
Sexual dimorphism	Some species have larger males	Females always larger
Mandible	Symphyseal (fused anteriorly)	Nonsymphyseal
Pan bone of lower jaw	Yes	No
Maxillae projection	Outward over expanded supraorbital processes	Under eye orbit, with bony protuberance anterior to eye orbit
Olfactory nerve and Olfactory bulb	Absent^&	Vestigial^&
Periotic bone	tympanic bulla	Fused with skull^&

↑ Dolphin Senses
↑ Baleen Whales: Senses
↑ Hooker, Sascha K. (2009). "Toothed Whales. Overview". In Perrin, William F.; Wursig, Bernd; Thewissen, J. G. M.. Encyclopedia of Marine Mammals (2 ed.). Burlington Ma. 01803: Academic Press. p. 1174. Template:Hide in print Template:Only in print. http://www.elsevier.com/wps/find/bookdescription.cws_home/716899/description#description.

[1] Dolphin Senses

[2] Baleen Whales: Senses

[emm2-3] Hooker, Sascha K. (2009). "Toothed Whales. Overview". In Perrin, William F.; Wursig, Bernd; Thewissen, J. G. M.. Encyclopedia of Marine Mammals (2 ed.). Burlington Ma. 01803: Academic Press. p. 1174. Template:Hide in print Template:Only in print. http://www.elsevier.com/wps/find/bookdescription.cws_home/716899/description#description.

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