Natudal Selection Flashcards
1
Q
Natural selection
A
Better suited have selective advantage and become more common generatyokf after genartauo.
Selection pressures - disease , predators creates struggle for survival
Better adaptions - more likely to survive and have reproductive success and pass on to offspring
2
Q
Evolution
A
Develop and become more complex
Change in genetic composition of a population as a result of natural selection
Leads to genetic variation
Development of new species
3
Q
Darwin 4 observations
A
- individuals within pop have great reproductive potential
- no of individual in a population remain constant
- variation exists within all populations
- offspring generally appear similar to parents