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Test Bank for Behavioral Neuroscience, 9th Editio by Marc Breedlove, Neil Watson Chapter 6 Evolution of the Brain and Behavior $7.99   Add to cart
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Test Bank for Behavioral Neuroscience, 9th Editio by Marc Breedlove, Neil Watson Chapter 6 Evolution of the Brain and Behavior
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Test Bank for Behavioral Neuroscience, 9th Editio by Marc Breedlove, Neil Watson Chapter 6 Evolution of the Brain and Behavior

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  • February 18, 2024
  • October 14, 2024
  • 11
  • 2023/2024
  • Exam (elaborations)
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  • chapter 6 evolution of the brain and behavior
  • test bank for behavioral neuroscience 9th editio

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chapter 6: evolution of the brain and behavior

1. naturalists students of the forms and classification of organisms, they
doubted the idea that each species had been created
separately.

2. evolution geologists showed that earth has been changing for mil-
lions of years, and studies of the fossils of extinct species
provided evidence for evolution. Evolution is essentially
the process of 'descent with modification'.

3. evolution by nat- explained by darwin and russel. darwin speculated that the
ural selection different birds had all descended from a single ancestral
species long ago but that, isolated on the various islands,
they had gradually diverged from their ancestors and from
one another.

4. darwin's four 1. reproduction will tend to increase a population rapidly
main observa- unless factors limit it.
tions and one im- 2. individuals of a given species are not identical.
portant interfer- 3. some of the variation among individuals is inherited.
ence 4. not all the offspring of a given generation survive to
reproduce.

interference: the variations among individuals affect the
probability of their surviving long enough to reproduce,
thereby passing on their individual characteristics to their
offspring. individuals better suited to the prevailing con-
ditions enjoy more success in reproduction, so their de-
scendants will make up a greater proportion of successive
generations.

5. adaptations traits that increase the probability of successful reproduc-
tion.

6. sexual selection proposed by darwin later on, it's an additional mechanism
of natural selection. it holds that members of each sex
exert selective pressures on the other in terms of both
anatomical and behavioral features that favor reproductive
success. you could call this choosiness.

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