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Psychology (9,695)
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Steve Joordens (1,058)
Chapter 3

Psychology - Chapter 3 (Evolution, Heredity and Behaviour)

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Steve Joordens

Chapter 3 Evolution, Heredity and Behaviour The Development of Evolutionary Theory Charles Darwin speculated that organisms originate and become adapted to their environments by biological means biological evolution: changes that take place in the genetic and physical characteristics of a population or group of organisms over time psychologists have taken this into consideration to understand the behaviour, origins and adaptive significance (effectiveness of behaviour in aiding organisms to adapt to changing environmental conditions) Darwins journey on the HMS Beagle helped provide: Artificial Selection (particular animals deliberately mate to produce offspring with desirable characteristics) Natural Selection (consequence that since there are physical and behavioural differences, it will cause the better survivors to produce more offspring than others), the ability to reproduce successfully (the number of offspring one can produce compared to another), two aspects of natural selection: - Variation: Differences found across individuals of same species based on g
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