Bio 111 Ch 26 + 4

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10 Terms

1
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When did the universe begin with the big bang?

13.7 billion years ago

2
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When did our solar system begin?

4.6 billion years ago

3
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How old is the Earth?

4.55 billion years old

4
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When did the Earth cool enough for oceans to form?

4 billion years ago

5
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When did life emerge?

between 3.5 to 4 billion years ago

6
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What do you need before you can have a living cell?

polymers, information transfer, membrane, and cellular properties

7
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What did the Paleozoic era start with?

The Cambrian Explosion

8
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What is the current eon?

The Paleozoic Eon

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What is the current era?

Cenozoic era

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What is our current period?

Quaternary Period