Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Shape of the territory (a) in the point landmark treatment, and (b) in the linear landmark treatment. The presence of point landmarks did not alter territory shape, but convicts modified the shape from round to elongated when linear landmarks were present. Distance to the boundary from the nest (c) in the point landmark treatment, and (d) in the linear landmark treatment. Fish moved the boundary closer to the landmark and thus the nest when they were present.
