Extinction
the fact or process of a species, family, or other group of animals or plants becoming extinct.
flying dinosaur
Pterodactyl
What greenhouse gas was released during the Jurassic period
Carbon dioxide
What underwater landforms pushed sea levels higher
Mountains
What was the one major landmass that broke up in the early Jurassic called
Pangea
50% of these animals with no spines went extinct in the waters of the early jurassic
Marine invertabre
Dino with a long neck
Brachiosaures
plants grew these which are used for pollination
Flowers
The sea level was ___ meters above the level today at its peak
100 meters
In the late Jurassic What was the continent east of laurasia called
siberia
What percent of animals dies during the Jurassic marine extinction
30%
Large carnivores dinosaur that lived in the late jurassic
T-Rex
What plants grew best in the Jurassic period climate
Large ferns and horsetails
The earths atmosphere had 4 times more of this
Carbon dioxide
How many supercontinents existed after Pangea broke up
3
What caused the Jurassic Cretaceous marine extinction event
Rising water temperatures and oxygen poor waters
Carnivorous dinosaur with large fan on its back
Spinosaures
What was the earth like during the Jurassic
Humid and subtropical
What were the mountains made of
Limestone
The major inland ocean
Tethys ocean
What caused the Triassic-Jurassic mass extinction event
Volcanos and if you said meteor you’re stupid
A small shrew like mammal that popped up in the late Triassic and early jurassic
adelobasileus
How warm were the poles during the Jurassic period
45-50 degrees
What was the average water temperature in the lower latitudes
68 degrees
After pangea began to split apart the northern region was called laurasia the southern region was called ___
Gondwana