Question

In the barnacle example, what caused Chaetamalus (the brown barnacle) to occupy only the top third of the rock.

Group of answer choices

Chaetamalus could not physically attach to lower rock surfaces.

Chaetamalus preferred colder temperatures found only at the to

Balanus outcompeted Chaetamalus in the overlapping zone, restricting Chaetamalus to the top third.

The top third had more food than the lower thirds, attracting Chaetamalus.

Answer 1

Balanus outcompeted Chaetamalus in the overlapping zone, restricting Chaetamalus to the top third.