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BIO DEATH #3 > Paleo Stuff > Flashcards

Paleo Stuff Flashcards

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Biology 101 flashcards
1
Q

paraphyletic

A

taxonomic group that has a branching off group within ;it, due to evolutionary change down a specific line

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2
Q

haeden

A

4.6-3.8 BYA

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3
Q

archean

A

3.8-2.5 BYA

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4
Q

proterozoic

A

2.5 BYA-550MYA

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5
Q

panerozoic

A

paleozoic
mesozoic
cenozoic

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6
Q

paleozoic

A

550-250 MYA

ancient life

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7
Q

mesozoic

A

250-65 MYA

middle life

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8
Q

cenozoic

A

65 MYA- present

recent life

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9
Q

largest mass extinction

A

paleozoic to mesozoic

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10
Q

mass extincitons

A

reset the history of life, account for much of what we see today

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11
Q

astroid that caused dino mass extinction

A

40X faster than speed of sound
10 miles long
100 trillion tons of TNT
chicxulub (crater) 180 km in diameter

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BIO DEATH #3 (5 decks)

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