A Small Founder Population of Turtles Has Established a Population

Multiple Choice

A small founder population of turtles has established a population on an island with a varied and good habitat that contains ample food. There is very little competition between members. What effect would this low level of competition have on evolution?

A) The population will remain very stable in size, and it won't evolve much.
B) The population will grow in size but won't change much.
C) The population will grow in size, and many variants will coexist.
D) Genetic drift will eliminate most of the population.