1.1.1 Evolutionary influences (Bi) Flashcards Preview

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Flashcards in 1.1.1 Evolutionary influences (Bi) Deck (11):
1

What does the evolutionary assumption say?

Behaviour can be explained in terms of evolutionary influences

2

Explain the process of evolution:

- variations in characteristics between individuals
- these characteristics being inherited (next generation)
- because they are more adaptive (help ensure survival and reproduction)

3

What is the biologically preparedness theory?

"Behaviours that arose and helped early ancestors survive and reproduce in the EEA should still exist today"

4

What is the EEA?

The environment of evolutionary adaptiveness

5

Explain the fight or flight response in terms of the biological preparedness theory:

- ancestors in the EEA would avoid potentially dangerous stimuli, they then would be more likely to survive and pass down defence mechanisms
- people today are more likely to have fears of dangerous things

6

Explain then phobic response of running from snakes and spiders:

- they are potentially poisonous running from them in the EEA would increase the chance of survival

7

Explain the phobic response of freezing when on a height:

- it would stop you falling and injuring yourself, increasing survival

8

Explain the phobic response of avoiding open spaces:

- in the EEA avoiding open spaces mean you were less likely to be seen as easy prey

9

Explain the behaviour of humans sleeping at night:

- we can't see in th dark
- less likely to be seen in the EEA
- safer

10

Explain the behaviour of humans preferring high calorie food:

- in the EEA this would mean more fat could be stored for winter

11

Explain the behaviour of parents and children forming close bonds:

- babies are defenceless, forming a close bond with parents would increase their survival as they would be looked after

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