That, in turn, limited the pressure to evolve new economic forms.

Emotions have an evolutionary history and have evolved various forms of expression in different species.

Dealing with this problem, many species have evolved various forms of colour change.

The bird has been used as a model to investigate the hypothesis that passerines on islands have a tendency to evolve larger forms.

Nevertheless, a large number of people still want to be religious and have tried to evolve new forms of faith.

We wanted to give their biospheres the chance to evolve new forms, to add to the diversity of the galaxy.

Snakes, which have evolved unique forms of locomotion, and are probably derived from lizards.

Rather, it attempts to relate to the site, and to evolve forms which are responsive to contemporary life in tall buildings.

Its size may be a result of island dwarfism, the tendency for large mammals to evolve smaller forms on islands.

For this reason it was long thought that they had only recently evolved forms of social living.