Which activity is illustrated in the diagram below? **HINT: you don't need to know what a bryophyte or a protozoan is in order to answer the question**

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim