What Happens to the Species Chthamalus Stellatus When Balanus Balanoides

Multiple Choice

What happens to the species Chthamalus stellatus when Balanus balanoides is removed from the lower intertidal zone?

A) Chthamalus is able to survive in the lower intertidal zone.
B) Chthamalus survives worse.
C) Balanus switches habitat to the upper intertidal zone.
D) There is no change in distribution for either species.