sharks lec

synapsids are ____-___ reptiles and gave rise to ___

mammall like

mammals

First synapsids

Pelycosaurs

Archaeothyris

Ophiacodon was ___ long and earliest ___ with no sail

3m

pelycosaurs

later pelycosaurs had ___ for temperature regulation

sails

Dimetrodon was a ____ with differentiation teeth, a ____-__ character

carnivore

mammal-like

Edaphosaurus was one of first vertebrate _____

herbivores

Edaphosarus has different ___ and ____ than Dimetrodon

sail (has spikes)

teeth (smaller peg like teeth)

Therapsids appeaared in _____ in Gondwana part of ___

permian

pangea

dicynodonts (therapsids) came after _____, when climate became ___

glaciation

humid

_____ shows pattern of extinction, survivor, and recovery fauna

Therapsids

For therapsids, _____ forms were better able to survive new, more arid conditions

burrowing

First diapsids were _____-___

lizard-like

Lepidosaurs and Archosaurs are 2 major groups of _____ survive today

diapsids

chelonia, or ______, are ____ and secondarily ______

turtles

diapsid

anapsid

icthyosaurs, plesiosaurs, and mosasaurs are ______

euryapsids (upper hold behind the orbit)

snakes evolved from lizards by……. and not ….

lengthening the body

the tail

Lepidosaurs are ____ and _____

snakes

lizards

Archosaurs are ____ and _____

birds

crocodiles

____ are the stem group to the archosaurs, with first radiation in ____

thecodonts

triassic