Blind Watchmaker

Richard Dawkins' biomorphs, for teaching cumulative selection.

Classic (1986)
The original Macintosh program, recreated pixel for pixel from the behaviour of Dawkins' Pascal source (version 1.1, 1993).
The Watchmaker's Manual
A student guide: getting started, every feature, and nine short investigations into how cumulative selection works.

Teaching with it? See the teacher notes: learning outcomes, session plans, expected observations and discussion answers.

An independent educational recreation, not affiliated with Richard Dawkins or his publishers. Chicago and Geneva pixel fonts by Giles Booth, CC BY.