I would say D. Fishing because of the ocean environment.
Answer:
Frequency of SS dominant individuals is 
Explanation:
The total population of rabbit is 650
Out of 650 rabbit, nearly 39 have recessive allele "s".
Hence, frequency of recessive genotype = 
Frequency of recessive allele =

Frequency of dominant trait allele "S" 
Frequency of SS dominant individuals is 