In the C3 Shee Ark, each metaroom with an ecology also has a seed bank which the hand can use to inject more of the official plants and critters into the game. This costs bioenergy. * In the Norn Terrarium, the seed bank is near the Recycler. * In the Grendel Jungle, the seed bank is below the Spikey Plant. * In the Ettin Desert, the seed bank is between the main door and the ettin mother.