. In which scenario below would natural selection be most successful?

all insects in a certain desert that have the same adaptation for saving water
an island with lizards that all look alike and are all eating the same food
a population of parakeets that have the same size beak
a population of salmon with different skin colors that attract mates

Question

. In which scenario below would natural selection be most successful? 

       all insects in a certain desert that have the same adaptation for saving water
       an island with lizards that all look alike and are all eating the same food
       a population of parakeets that have the same size beak
       a population of salmon with different skin colors that attract mates

melodydude · Answer

the one talking about salmon is your answer