biology test 2 Flashcards

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1
Q

process by which modern organisms have descended from ancient organisms

A

evolution

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2
Q

Born in England, February ?12th, 1809.

A

Charles darwin

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3
Q

Naturalist that had a curiosity ?for all science

A

Charles Darwin

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4
Q

living things compare to fossil

A

some living organisms looked similar to fossils, some fossils looked nothing like what was still living

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5
Q

Darwin’s observations

A

saw much more diversity in his travels

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6
Q

how many beetles did Darwin see during one day in his travels

A

68

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7
Q

what were the Galapagos islands like?

A

very distinct habitat changes from one island to the next

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8
Q

how did Darwin predict what animals he would find?

A

He could predict them based on their different phenotypes

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9
Q

what was Darwin’s advantage?

A

He could learn from people in the past who were already incorrect, or correct.

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10
Q

How old did people use to thing the earth was during Darwin’s time

A

a few thousand years.

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11
Q

Scottish geologist 1785

A

James Hutton

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12
Q

Proposed that earth composed by layers of rock that takes millions of years to form

A

James Hutton

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13
Q

Scottish geologist 1830

A

Charles Lyell

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14
Q

Author of Principles of Geology

A

Charles Lyell

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15
Q

suggested that scientists must explain the past by events that are shaping the earth now

A

Charles Lyell

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16
Q

Asked the question, “ If the earth changes over time, might life change as well.”

A

Darwin

17
Q

French naturalist 1809

A

Jean-Baptist Lemarck

18
Q

Thought these three ideas:
1. living things changed over time

2.all species descended from other species

3.all species were adapted to their environments

A

Jean-Baptiste Lamarck

19
Q

Thought that organisms will tend to become better over a few generations

A

Jean-Baptiste Lamarck

20
Q

thought that birds had an urge to fly and kept trying, so they became better

A

Jean-Baptiste Lamarck

21
Q

the changes that occur in an organism’s lifetime will pas to it’s offspring

A

Inheritance of accuired traits

22
Q

English economist-1789

A

Thomas Malthus

23
Q

noticed that the human birthrate was exceeding the death rate

A

Thomas Malthus

24
Q

applied this thinking to animal population and realized that if this were true that any population could overtake the planet

A

Charles Darwin

25
Q

Humans select natural variation to transform a species

A

Artificial selection

26
Q

first principal of natural selection

A

The struggle for existence

27
Q

second principle of natural selection

A

Survival of the fittest

28
Q

third principle of natural selection

A

descent with modification

29
Q

All organism’s share a common ancestor at some level

A

Common descent

30
Q

are an illustrated history of life on earth

A

fossils

31
Q

structures that were once useful to the organism that have become vestiges

A

vestigial organs