Lecture 2 Flashcards

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1
Q

evolution

A

change in living things by descent with modification, change in form and behaviour or organisms between generations

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2
Q

Biological change

A

developmental change within the life of an organism like againg, not technically evolution

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3
Q

ecosystem composition change

A

made up of a number of species, there are different species in the same habitat than what were there 10 years ago, still not evolution

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4
Q

True definition of evolution

A

a change between generations within a population of species

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5
Q

Evolutionary modification

A

takes place in a series of populations that are descended from one another

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6
Q

Properties of Evolutionary Modification

A

-Not predictable
-depend on the environment and genetic variants
-tree-like patterns
-variety created by splitting of lineages since the common ancestor

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7
Q

Adaptations

A

Properties of living things that enable them to survive and reproduce in nature

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8
Q

4 main stages of historic rise of evolution

A
  1. evolution and non-evolutionary ideas before Darwin
  2. Darwins theory (1859)
  3. The eclipse of darwin (1880-1920)
  4. The modern synthesis (1920s-1950s)
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9
Q

Evolutionary and non-evolutionary ideas before Darwin

A

A century before Darwin, naturalist and philosophers were interested that one species might change into another but they didn’t really have any theories as to why or how

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10
Q

Lamarck

A

Transformism, species persisted indefinitely, changing from one form to another no branching no extinction

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11
Q

Darwinian evolution

A

tree-like lineages split, allowing for the extinction

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12
Q

Cuvier

A

Proved Lamarck wrong said species went extinct but had separate origins and there was no changes

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13
Q

Charles Darwin

A

Beagle voyages to the Galapagos Islands each island had its own distinct species of finches

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14
Q

what was the link between species

A

Darwin looked for a mechanism: natural selection

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15
Q

Natural Selection

A

forms that are better adapted to survive will leave more offspring and increase the frequency from one generation to the next

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16
Q

Who came to a similar idea to darwin independently

A

Alfred Russel Wallace

17
Q

Charles Lyell and Joseph Hooker

A

Arranged a simultaneous announcement of Darwin and Wallaces’s idea

18
Q

history of evolutionary biology

A

1859 publication of Charles Darwin’s the origin of species

19
Q
A