Evolution Flashcards

1
Q

Calendar of Evolution

A

Jan1 (start Earth), July( O2), Nov 26 (start life), Dec 15-26- (dinosaur), Dec 31 59’18” (last glacier), Dec 31 59’46” ( Christ)

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2
Q

What made up Pangia

A

Laurasia and Gondwana

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3
Q

what did Laurasia spilt into

A

North America and Euroasia

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4
Q

what did Gondwana split into and when

A

South America, Africa, Australia, Antartica –90 million yrs ago

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5
Q

when did Pangia spit

A

200 million years ago

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6
Q

when did Rodinia form and separate

A

formed 1.2 billion yrs ago, fragmented 750 million yrs ago, then combined 250 million yrs ago to form Pangia

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7
Q

types of plate tectonics

A
  1. Ocean to ocean, 2. Ocean to continence( north and South America), 3. continent to continent ( Himalayan mt.), 4. transform boundary ( California)
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8
Q

how fast are the tectonics plates moving

A

1” per yr.

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9
Q

when did water appear on earth

A

? 4.4 billion yrs ago

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10
Q

when did O2 start on earth

A

? 2.5 billion yrs ago

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11
Q

when did multicellular organisms start on earth

A

1.2 billion yrs ago

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12
Q

when did more complex organisms start on earth

A

600 million yrs ago

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13
Q

when were global snow ball on earth

A

2.5 billion and 630 million yrs ago

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14
Q

when were multiple species in ocean

A

500 million yrs ago

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15
Q

when was first extinction

A

500 million yrs ago when Gondwana moves south - 85% extinction

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16
Q

when did land plants form

A

400 million yrs ago

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17
Q

when did fish come onto land

A

330 million yrs ago

18
Q

how does coal form

A

when plants fall into water with low levels of O2- swampy areas– 300 million yrs ago

19
Q

when did reptiles form

A

300 million yrs ago

20
Q

when did mammals form

A

200 million yrs ago

21
Q

when was 2nd extinction

A

250 million yrs ago– 95% extinction– caused by global warming with Siberian volcanoes and it took 10 million yrs for life to recover

22
Q

when were dinosaurs

A

200- 60 million yrs ago

23
Q

when did North and South America separate from Pangia

A

North America separated 150 million yrs ago and South America separated 80 million ydrs ago

24
Q

when did north and South America join

A

35million yrs ago

25
when was last glacier
35,000- 12,000 yrs ago
26
when and how was Himalayan mt. formed
India crashed into Asia 50-20 million yrs ago
27
when was first Homo Erectus
2 million yrs ago
28
when was first Homo sapiens
300,000 yrs ago
29
when was Neanderthal extinct
40,000 yrs ago- started 450,000 to 125,000 yrs ago
30
when did Homo sapiens leave Africa
100,000 yrs ago
31
when did language start
50,000 yrs ago
32
when did writing start
3,000 yrs BC
33
when did Homo sapiens come to North America
15,000 yrs ago
34
when did agriculture start
15,000 yrs ago
35
when did Egypt start
3,000 BC
36
when were pyramids
2,500 BC
37
when was Hammurai's code of law
1,700 BC
38
when was Jews enslaved in Egypt
1,500-1,200 BC
39
when did first Cralons come together to for 1st continent Africa
3 billion yrs ago
40
New York was a mountain range how long ago
300 million yrs ago-- Sill part of Rodinia
41
when and how where Alps formed
Italy crashed into Euroasia 20-5 million yrs ago