harmful genetic mutations shrinking of the gene pool decrease in competition increase in adaptations
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The cheetah population around the world has decreased because of poaching and loss of habitat. The surviving population is found to have similar alleles. Which factor is endangering the species' survival the most?
Possibilities:
- harmful genetic mutations
- shrinking of the gene pool
- decrease in competition
- increase in adaptations

shrinking of the gene pool