The Arctic-Alpine Botanic Garden in Norway and the Jardim Botanico of Rio de Janeiro in Brazil are two of many botanical gardens around the world dedicated to growing diverse plant ________ fostering scientific research; and educating the public about plant conservation.

Which choice completes the text so that it conforms to the conventions of Standard English?

Question

Accepted Answer

species, both native and nonnative;

Answer

species, both native and nonnative,

Answer

species; both native and nonnative,

Answer

species both native and nonnative,