While eating lobster for dinner one night you begin thinking about the fact that this type of marine invertebrate is isosmotic with respect to the surrounding seawater. Your friend asks what would happen if the lobster you were eating had not been caught, but instead was moved to a bay with a slightly lower concentration of salt. You reply that in order for the lobster to be isosmotic with respect to new environment,
A. it must move water in to match the solute concentration of its new environment.
B. it regulates its internal concentration of solutes to match that of its new environment.
C. it must move water out to match the solute concentration of its new environment.
D. it moves water in or out and regulates its internal concentration of solutes as needed.
Answer: B