Problem: What are the key evolutionary trends and other developments in early Homo? Important changes in the landscape of East Africa and South Africa may have been associated with the rise of Homo habilis and the eventual extinction of the australopithecines. Identify the statements that correctly describe this transition. Describes African Landscape Transition Habitat changes correlated with changes in cranial and tooth morphology in Homo habilis as compared to australopithecines. Press Space to open There was a significant increase in C4 (warm-season) grasses at around 2.5 mya. Press Space to open Underground plant parts (edible roots, etc.) became more important, which increased selection for the use of tools. Press Space to open Habitats became more homogeneous. Press Space to open Does Not Describe African Landscape Transition. Need Assignment Help?