Hedgehogs, hedgehog, 17 species of hedgehog in five genera. A hedgehog is any of the spiny mammals of the subfamily Erinaceinae, which is in order Erinaceomorpha. There are found in Europe, Asia, Africa and New Zealand (by introduction). There are no hedgehogs native to Australia, nor the Americas.
Simulated Evolution is the umbrella name for a set of projects focused on using agent-based modeling to explore and learn about evolutionary processes.
More generally, modeling and simulation is a key enabler for systems engineering activities as the system representation in a computer readable (and possibly executable) model enables engineers to reproduce the system (or Systems of System) behavior.