Did You Know...
You can create your own flashcards? Just click on the "Build A Deck" button at the top center of the page.
Flashcards Deck Profile
Verterbrate Evolution  by  avocadokiwi
created: 12-11-2011
deck type: public
total cards: 22
total views: 391
Study Verterbrate Evolution Flashcards
Study Verterbrate Evolution Flashcards
Flashcards
question
answer
type
1
precocial hatchlings
more deveolped, downy More egg yolk
Preview Card
2
Extra-pair mating
sire more offspring reduced parental care reduce r
Preview Card
3
altricial hatchlings
less developed, rely on parents
Preview Card
4
Calls vs Songs
Calls not learned, social
Preview Card
5
Result of Uva, NIf lesion
learned syllables retained, syntax lost
Preview Card
6
Result of HVC, RA lesion:
No learned vocalizations
Preview Card
7
result of DM, nXIIts lesion
no vocalizations
Preview Card
8
Vocal Pathway
HVC > RA > nXIIts > syrinx
Preview Card
9
Result of Area X lesion during sensitive period
song stays plastic
Preview Card
10
Result of Area X lesion duting adulthood
No change
Preview Card
11
Result of lMAN lesion during sensitive:
song becomes stereotyped l
Preview Card
12
lMAN lesion in deafened adult
prevents song loss
Preview Card
13
Result of IMAN lession in normal adult
No change
Preview Card
14
Harderian gland
A gland that secretes oils that mammal rub on them
Preview Card
15
When did synapsids arrive on the scene?
mid carboniferous.
Preview Card
16
What seperates them from other amniotes?
Presense of lower temporal fenestra--(the hole bei
Preview Card
17
Early synapsid traits
Carnivores  most abundant vertebrate  fi
Preview Card
18
Pelycosaurs
"sailbacks" of late Paleozoic amniotes w
Preview Card
19
How did the jaw develop?
Dentery ges really big and replaces aricular and q
Preview Card
20
Evolutionary trends in synapsids
Lower temporal bar bows-->zygomatic arch=strong
Preview Card
21
TEETH AND NIPPLES
Diphonty allows ja growth AND precise occlusion--w
Preview Card
22
choriovitelline from yolk sac in all metatherians
egg yp;ks inmammaks
Preview Card