Origin Of Species Flashcards
1
Q
Microevolution
A
Changes over time in allele frequencies in a population
2
Q
Macroevolution
A
Broad pattern of evolution over long time spans
3
Q
Species
A
A group of populations whose members have the potential to interbreed in nature and produce viable & fertile offspring
*dont produce it with members of other such grpups
4
Q
Speciation
A
Process by which one species splits into two or more species
5
Q
Reproductive Isolation
A
The existence of biological factors that impede members of two species from producing offspring
6
Q
Prezygotic Barriers
A
Block fertilization from occuring
7
Q
Postzygotic Barrier
A
May contribute to reproductive isolation
