Answer:
A. Species vary globally
Explanation: Galapagos islands are Special islands,this islands are classified as a province of Ecuador,it contains several diverse species of living organisms including plants and animals.
Marine iguanas are a special specie of Lizards found in the Galapagos islands,they have developed particular gland such as white "wigs" formed of salt. This specie show that species vary Globally with different species found in different places.
