eco subset has habitat has roost 2023-01-18T14:28:21Z x 'has roost' y if and only if: x is an organism, y is a habitat, and y can support rest behaviors x. A population of xs will possess adaptations (either evolved naturally or via artifical selection) which permit it to rest in y. Flying foxes (Pteropus giganteus) has_roost banyan tree (Ficus benghalensis) habitat organism Anne Thessen