Answer:
the frequencies of the brown and green alleles will not change. the frequency of the brown allele will increase. this causes the population to evolve due to gene flow. this causes the population to evolve due to genetic drift.
D. on the surface, directly above the focus
Frequency is the term that describes the number of waves passing a point during a certain period of time, frequency is also measured in Hz (hertz).
It is called detritus
