History Flashcards

1
Q

What is evolution?

A

Idea that all species are descendants of ancient species that are different from modern-day species

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2
Q

Archbishop James usher

A

① earth created on Oct 23 4004 bc at 9 am

② used bible book of Genesis astronomy, history to determine

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3
Q

Lord Kelvin

A

Determine the age of earth

- 15 to 20 million years

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4
Q

Pierre curie

A

① discovered radioactive decay which disproved lord kelvin’s theory
earth is 4.6 billion

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5
Q

James Hutton

A

Uniformitarianism: the landforms and geological features is an explanation of the past

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6
Q

Charles Lyell

A

Rock formations are formed slowly and gradually

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7
Q

2 conclusions of uniformitarianism

A

① earth is very old

② dramatic change results from long periods time

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8
Q

Georges Cuvier

A

Studied fossils:
① catastrophes cause extinction
② more complex species are at shallow depths

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9
Q

Jean-baptiste Lamarck

A

“Theory of acquired characteristics /environentalism”
Adaptation: evolve and change
Spontaneous generation: becoming more complexspecies

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10
Q

Thomas Malthus

A

Potential for exponential growth

Food & resources can limit population

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11
Q

Charles Darwin

A

Finding mates that have must desirable traits to pass on to the next generation

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12
Q

Varying globally

A

Look & act similar but are in different continents

E.g. Emu in south America & ostrich in Africa

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13
Q

Varying locally

A

Related species in different avers of same environment

① land and water turtles

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14
Q

Varying overtime

A

Fossils show descendants

① glyptodont similar-to armadillo

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