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☆☆☆☆☆Gene flow is genes moving between two populations.
the transfer of genes from one gene pool to another
two populations transferring genes
may be is the living organism
Speciation Adaptive radiation refers to changes in a species in response to varying environmental conditions.
many new species form
The distribution of alleles changes due to random chance.
or
The allele frequency of a population changes due to a bottleneck effect. <apex>
Population bottlenecks
Reproductive isolation
Niche availability
Amoeba
sponges
The island finches have more gene flow
If the birth rate is higher than the death rate, the population increases. If the death rate is higher than the birth rate, the population decreases.
PCR
Lizards evolved after earthworms.
Apex is Mergus serrator and Mergus merganser.
