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Plants and
Animals
Plate Tectonics in Connecticut
Rocks and Sediments
Enviroment and Climate
100
A spiked, hard shelled animal with an unprotected underside.
What is a Wiwaxia?
100
The plates were ______ during the Cambrian time period
Diverging
100
Preserved remains of plants and animals
What are fossils?
100
In the early Cambrian time period, ______ was lower than the end of the Cambrian period.
What is CO2?
200
The "ruling speices" in the time period.
What is a trilobite?
200
Plates carried...
What carried landmasses?
200
Sedimentary rocks.
What type of rocks are all along the Connecticut valley?
200
The cause of the near extinction of trilobites.
What is cooling water
300
The plant of the time.
What is one-celled algae?
300
A sea off the coast of Lauranasia.
What is the Iapetos Sea?
300
Huge Granites/Igneous Rocks
What rock can be seen along the Southeast coast?
300
Immense ________ change.
tempature
400
No backbones and live in shallow seas.
What are Cambrian animals?
400
Plate tectonics _______ and _______ the world.
Shaped and Changed
400
The transition between Oceanic and Continental Crust.
What is a passive margin?
400
______- ______ trilobites survived the tempature change.
Deeper- Dwelling
500
Advancing glaicers.
What lowered the temperature in the water?
500
Mid-Ocean Ridge.
What created more rock and land?
500
Western Highlands, Central Valleys and Eastern Highlands.
What are the names of the three divisions of Connecticut?
500
carbonic acid gas
What is CO2?