Ancestors of the galapagos finches had two different types of seeds to eat on some islands. some seeds were very small, and required small beaks to handle. other seeds were very large and required large strong beaks to crack. this led to among the galapagos finches.

the first two-party system consisted of the federalist party, who supported the ratification of the constitution, and the democratic-republican party or the anti-administration party (anti-federalists), who opposed the powerful central government, among others, that the constitution established when it took effect in

no questions on whether they are allowed that right

i think it is the third one.