Select one: a. The two species of barnacles do not compete with each other because they feed at different times of day. b. Balanus is a predator on Chthamalus. c. Balanus is inferior to Chthamalus in competing for space on rocks lower in the intertidal zone. d. Balanus and Chthamalus have a +/+ relationship. e. The removal of Balanus shows that the realized niche of Chthamalus is smaller than its fundamental niche.

E. Balanus removal shows the realized niche.

Explanation:

The first option is not valid because not the barnacles but the warblers feed at different time and this is called resource partitioning.The second option is not correct because balanus and chathamalus both are species of barnacles and feed on the same resources.The third option is not correct as it is not inferior but it is superior to chathamalus.and the fourth option is not valid because it has a-/- relationship so, the last option is correct as the balanus removal shows realized niche of chthamalus.

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