Approaches: Biological Approach - Evolution and Genes

HideShow resource information
Evolution
Gradual change within a species over several generations in response to environmental pressures
1 of 13
Natural Selection
Inherited characteristics that enhance survival are passed on to the next generation
2 of 13
Adaptation
Refers to a behavior or trait that will increase the chance of survival and boost reproductive success
3 of 13
Survival of the Fittest
Only those best suited to a environment who have certain traits will survive and reproduce
4 of 13
Survival - Key Behaviours
Fight or Flight, Sensory Reflexes, Allergies
5 of 13
Sexual Selection
Individuals who have features that make them attractive to the opposite sex or help them compete for mates. Increasing breeding success rate.
6 of 13
Why is repression adaptive?
Forgetting a memory can help you move on to live your life
7 of 13
Genotype
Genetic Constitution of an individual (each cell has a copy) , variation for humans are 0.1%, we are 98% similar to chimpanzees
8 of 13
Phenotype
result of interactions between inherited characteristics and the environment e.g. flamingos, fish - white to pink feathers
9 of 13
Sex and Gender
Male (XY Testosterone) Female (XX Oestrogen) - SRY Triggers the gene that will make you develop testes, if not triggered - ovaries are developed
10 of 13
MZ Twins
100% same DNA
11 of 13
DZ Twins
50% half DNA
12 of 13
Depression in Twins
MZ (49%) DZ (17%) SIBLINGS (9%)
13 of 13

Other cards in this set

Card 2

Front

Inherited characteristics that enhance survival are passed on to the next generation

Back

Natural Selection

Card 3

Front

Refers to a behavior or trait that will increase the chance of survival and boost reproductive success

Back

Preview of the back of card 3

Card 4

Front

Only those best suited to a environment who have certain traits will survive and reproduce

Back

Preview of the back of card 4

Card 5

Front

Fight or Flight, Sensory Reflexes, Allergies

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all Approaches resources »