Darwin and Natural Selection (palomar.edu) Flashcards

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1
Q
  • carried out necessary research to conclusively document that evolution has occurred
  • made the idea acceptable for scientists and the general public
A

Charles Darwin

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2
Q

where was Charles Darwin born

A

Shrewsbury, England

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3
Q

what age did Charles Darwin start university

A

16

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4
Q

where did Charles Darwin study university

A

Edinburgh, Scotland

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5
Q

who enriched Charles Darwin’s knowledge of natural history

A

Robert Grant

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6
Q

At Grant’s suggestion, Darwin became a member of what?

A

Plinian Society

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7
Q

whos scientific ideas interest Charles Darwin

A
  • Adam Sedgwick
  • John Henslow
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8
Q
  • known particularly for his work on classifying rocks from the Devonian and Cambrian eras, and his work was central to developing understanding of the geological time-line
  • one of the founders of modern geology
A

Adam Sedgwick

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9
Q
  • popularized botany at the University of Cambridge by introducing new methods of teaching the subject
  • British botanist, clergyman, and geologist
A

John Henslow

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10
Q
  • pioneering meteorologist who made accurate daily weather predictions, which he called by a new name of his own invention: “forecasts”
  • captain of HMS Beagle during Charles Darwin’s famous voyage
A

Capt. Robert Fitzroy

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11
Q

name of the ship Charles Darwin was on during his voyage

A

HMS Beagle

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12
Q

what did Charles Darwin realize about why the birds in the Galapagos Islands were different from each other

A

various species lived in different kinds of environments

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13
Q

how many species was Charles Darwin able to collect from the Galapagos Islands

A

13 species of finches

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14
Q

how many species of finches did Charles Darwin knew on the mainland

A

1 (moment in time.. char)

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15
Q

how did the Galapagos finches differ each other

A

beak size and shape

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16
Q

What did Charles Darwin conlcude about the finches in the islands

A

over many generations, finches changed anatomically in ways that allowed them to survive and reproduce in their environments

17
Q

branching evolution in which different populations of species become reproductively isolated from each other by adapting to different ecological niches and eventually become separate species

A

adaptive radiation

18
Q
  • specific micro-habitats in nature to which populations or organisms adapt
  • usually seen in terms of being food getting opportunities in the environment
A

ecological niches

19
Q

individuals having a variation that gives them an advantage in staying alive long enough to successfully reproduce are the ones that pass on their traits more frequently to the next genetration

A

“descent with modification”
- Charles Darwin

20
Q

nature selected the best adapted varieties to survive and to reproduce

A

natural selection

21
Q

Darwin did not believe that the environment was producing the __ within the finch population

A

variation

22
Q

what did Darwin correctly thought about variations

A

variations already existed and nature just selected for the most suitable beak shape against less useful ones

23
Q

the continued existence of organisms which are best adapted to their environment, with the extinction of others, as a concept in the Darwinian theory of evolution

A

survival of the fittest

24
Q
  • observed that human populations will double every 25 years unless they are kept in check by limits in food supply
  • published ‘Essay on the Prinicples of Population’
A

Thomas Malthus

25
Q

what did Thomas Malthus publish

A

Essay on the Principles of Population

26
Q

when did Darwin read Malthus’ essay

A

1838

27
Q

what did Darwin realize after reading the Essay on the Principles of Population by Thomas Malthus

A

all plant and animal population have the same potential to rapidly increase their number unless they are constantly kept in check by predators, diseases, and limitations in food, water, and other resources that are essential for survival

28
Q

have the combination of traits that allow them to survive and produce more offspring that in turn survive to reproduce

A

fittest individuals

29
Q

Darwin’s explanation that evolution occurs as a result of natural selection implied that __ plays a major role

A

chance

30
Q

Who did Charles Darwin marry

A

Emma Wedgwood (his wealthy first cousin)

31
Q

How old was Charles Darwin when he published his theory of evolution

A

50 years old

32
Q

490 page book Charles Darwin published

A

On the Origin of Species

33
Q

revolutionary idea of evolution by natural selection entirely independently of Charles Darwin

A

Alfred Wallace

34
Q

first person to begin to grasp why each new generation has new variations

A

Gregor Mendel

35
Q
  • In 1837 he discovered flint hand axes and other stone tools, some embedded with the bones of extinct mammals in gravels deposited during the Pleistocene Epoch, or Ice Age (concluded about 11,700 years ago)
  • concluded that these were made at the time those animals lived
A

Boucher de Perthes