Population Key Terms Flashcards
1
Q
What is a species?
A
organisms that can reproduce to form fertile offspring
2
Q
What is population?
A
all the organisms of one species in one place at one time
- species can exist as one or more populations
3
Q
What is community?
A
all the organisms of all of the species in one place at one time
4
Q
What is a gene pool?
A
all the alleles present in the population
5
Q
What is allele frequency?
A
how common an allele is in a population e.g. t = 0.05 = 5% of all alleles of the gene are t
6
Q
What is evolution?
A
change in allele frequency over time
7
Q
What is differential reproductive success?
A
organisms with a phenotype better adapted to their enviroment lose a selective advantage
and are more likely to survive and reproduce
8
Q
What is speciation?
A
the process of forming a new species
