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Evolutionary Psychology
N/A
9
Psychology
Undergraduate 1
06/09/2014

Additional Psychology Flashcards

 


 

Cards

Term
GENE
Definition

Section of DNA which provides information on how and when a protein should be made.

 

Adenine-Thymine

Cytosine-Guanine

 

Gene Expresion: immediate/overall environment, timing.

Term
Alleles
Definition

Dominant, recessve, incomplete dominance.

 

Most behaviours/traits are polygenic- ensures variation

Term
Causes of traits/behaviours
Definition

-PROXIMATE: influences within an organism's lifetime that led to a particular trait/behaviour.

 

-ULTIMATE: reason why particular trait/behaviour helps members of a population to survive.

Term
Natural vs Sexual Selection
Definition

NATURAL: greater likelihood of successful reproduction for organisms whose attributes are advantageous in a given environment.

 

SEXUAL: reproductive advantage- mate selection/fertility.

*Can be features that have no direct survival advantage eg. attractiveness

Term
INTRA-SEXUAL SELECTION
Definition

Competition (intra-species) for access to opposite sex.

 

*Massive risk for survival but worth it- if you win, genes will be passed on.

Term
Three conditions for evolution
Definition

I. Variation among individuals.

II. Specific variations which lead to higher reproductive success.

III. Means of passing on successful variation down generations.

Term
Evolution of Behaviours
Definition

Evolution favours flexible behaviours because environment changes.

 

Niche construction: organisms alter their environment through their behaviour.

Term
Mate Preferences
Definition

Different costs in reproduction between sexes.

Sex with higher costs will be more picky.

Term
Reciprocal Altruism
Definition

Social norm of reciprocity.

Males showing off to females?

 

INDIRECT RECIPROCAL ALTRUISM: help someone help someone else- hope of help in the future if in same/bad situtation.

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