Carboniferous & Permian

What was the landscape like in the Carboniferous?

swampy

What was one of the big advancements for plant-life in the Carboniferous and why was it important?

seed development led to movement upland where its dry

What ocean disappeared mid-Carboniferous and what was the approximate date?

ibdis ocean 315 ma

When did Pangea form?

late permian

What was the orogeny of this era and which two continents collided?

alleghanian, africa + north america

What plant type dominated in the Permian?

gymnosperms

What happened in the Carboniferous atmospherically and what impact did it have on life (particularly airborne life)?

carbon burial = high O2 levels = lots of O2 to diffuse = bugs use diffusion = bigger bugs

Was it just high O2 levels that allowed for insects to become so big? Why or why not?

no, there were no birds yet there was no dominant predator for bugs

What is the difference between amphibians and reptiles (reproduction)?

one requires a gel egg and the other uses amniotic eggs

How many holes do anapsids have? How about diapsids? Synapsids?

0 2 1

Anapsids are the ancestors of _____.

turtles

Diapsids are the ancestors of _____.

reptiles birds

Synapsids are the ancestors of _____.

mammals

What mountains did the Alleghenian orogeny form?

appalachian mountains

What type of plant life would you see in the Carboniferous? Name them.

spore plants, sphenopsids, ferns, lycopods

What plant dominated the Carboniferous?

lycopods

During the Permian, mainly while Pangea existed, what was the general landscape?

hot and dry

What plant dominated the Permian?

gymnosperms

List the 6 causes for the Permian extinction?

siberian traps exploding, flood basalts, coal fires release CO2, methane ice melts, ocean acidification, anoxia