Depicting Darwin

It’s been 150 years since Charles Darwin’s “On the Origin of Species’’ rocked our world. In honor of the anniversary, Catalyst Collaborative@MIT (the Underground Railway Theater’s science/theater initiative with MIT) presents the premiere of “From Orchids to Octopi,’’ Melinda Lopez’s lively play about the man and his theory. Wes Savick (pictured) plays Darwin alongside costars Debra Wise and Kortney Adams. Tonight at 7:30. Additional performances through May 2. $35, $25 seniors, $20 students. Central Square Theater, 450 Mass. Ave., Cambridge. 617-576-9278, www.centralsquaretheater.org