Evolution Flashcards
1
Q
What is the gene pool
A
The total range of alleles present in a population
2
Q
Allele frequency
A
How often an allele occurs in a population
The frequency of an allele in a population changes over time, this is evolution.
3
Q
Population
A
all the species of one organism in a habitat
4
Q
Speciation
A
Speciation is the development of a new species which occurs when populations of the same species become reproductively isolated. this is where changes in the phenotype can no longer breed to produce fertile offspring.
5
Q
reproductive isolation
A
mechanical changes
behavioural changes
seasonal changes
