Across the nine screen adaptations to date, Alien’s perfect organism has always evolved. The same is true in Alien: Earth, where the show’s Xenomorph now also part of a whole "predatory" ecosystem, ...

Carla is a writer from Peñuelas, Puerto Rico, now based in Atlanta. She’s an Emory alum with both a BA and MA in English, but more importantly, she’s a Pisces with lots of opinions about video games.

Introduction: Nonnative species in the world / David Pimentel -- The impacts of alien plants in Australia / Richard H. Groves -- Environmental and economic costs of invertebrate invasions in Australia ...