No, since it is an island separate from the mainland Ecuador and has been uniquely isolated over the past several hundred thousand years, the species on the Galapagos Islands have had time to evolve differently and separately than those in Ecuador, leading to many different, diverse species on the Galapagos that don't exist in Ecuador
Your answer here is Commensalism by process of elimination
The answer is Eukaryotic cells
b.cellular membranes is the answer