Amphibians Flashcards
1
Q
Where did amphibians evolve from?
A
Advanced lobe-finned fish of the Devonian period
2
Q
Name three main features of Rhipidistians?
A
Lost gill arches
Breathed air
Skull characteristics
3
Q
Name a Rhipidistian
A
Tiktaalik/Ichthyostega
4
Q
What is the name of the first know true frog?
A
Vieraella
5
Q
What is the name of the first known true Salamander?
A
Karaurus
6
Q
What is Neoteny?
A
A juvenile state that some species of Salamander remain in, as when in this state, they need fewer nutrients, lower quality nutrients, and they have an increased ability to regenerate. Exposure to iodine causes them to mature into adult forms
