BY5.5 - Variation and Evolution Flashcards
1
Q
What is the founder effect?
When does it occur?
A
- Specific type of genetic drift
- Occurs when a small group from a population colonises a new area, forming a new population
2
Q
What is interspecific competition?
A
Competition between members of different species
3
Q
What is infraspecific competition?
A
Competition between members of the same species
4
Q
When does speciation occur?
A
Speciation occurs when two groups of organisms can no longer breed together to produce fertile offspring
5
Q
What are the main types of speciation?
A
Allopatric speciation
Sympatric speciation
6
Q
Define gene pool
A
All the alleles within a population
