In the Section "Investigating Life: Birds Do It,Bees Do It",what

In the section "Investigating Life: Birds Do It,Bees Do It",what hypothesis did the researchers test?

A) Mutation in a single gene could cause a change in flower color and thus pollinator.
B) Mutation in multiple genes over a long period of time is required to change flower color and pollinators.
C) Pollinators do not choose which flowers to pollinate based on color.
D) M.lewisii and M.cardinalis are the same species.
E) M.lewisii and M.cardinalis are different species.