6.4 Isolation and the evolution of new species Flashcards
1
Q
What is geological isolation?
A
When two populations become physically isolated by a geological feature
2
Q
How do population become isolated? (3)
A
island break away from mainland, new rivers, new mountain ranges
3
Q
What is speciation?
A
The formation of a new species
4
Q
What is the process of speciation? 5
A
Isolation
Genetic variation
Alleles selected
interbreeding no longer possible
New species
