Figure 54-1
Use the figure to answer the corresponding question(s).
-In Experimental Condition 2 of Figure 54-1, the distribution of Chthamalus suggests:
A) that interspecific competition kept Chthamalus from extending lower into the intertidal area.
B) that intraspecific competition kept Chthamalus from extending lower into the intertidal area.
C) that a limiting factor kept Chthamalus from extending lower into the intertidal area.
D) that a barnacle parasite kept Chthamalus from extending lower into the intertidal area.
E) that predation kept Chthamalus from extending lower into the intertidal area.

Question

Figure 54-1
Use the figure to answer the corresponding question(s). 
-In Experimental Condition 2 of Figure 54-1, the distribution of Chthamalus suggests:
A) that interspecific competition kept Chthamalus from extending lower into the intertidal area. 
B) that intraspecific competition kept Chthamalus from extending lower into the intertidal area. 
C) that a limiting factor kept Chthamalus from extending lower into the intertidal area. 
D) that a barnacle parasite kept Chthamalus from extending lower into the intertidal area. 
E) that predation kept Chthamalus from extending lower into the intertidal area.

Quizplus · Accepted Answer

In Experimental Condition 2, the distribution of Chthamalus suggests that interspecific competition with another species, likely Balanus, prevented Chthamalus from extending lower into the intertidal zone.

Figure 54-1 Use the Figure to Answer the Corresponding Question(s)