Lecture 9 Flashcards by kassi Dindinger | Brainscape

Q

What was going on when angiosperms first appeared

A

Break up of Pangea

Climate change and formation of new habitats
About 150 mya

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Q

First Single Celled Organisms

A

Stromatolites= Layered rocks of microbial mats
3.5 billion years ago
Atmosphere contained mostly carbon dioxide, nitrogen and water vapor. Life existed only in oceans

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Q

Stromatolites

A

Layered Rocks of microbial mats

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