sodium amytal test: anesthetize one hemisphere and check for language function dichotic listening test: report more digits heard by dominant half functional brain imaging: fMRI or PET used to see which half is active when performing a language test
The process of change by which new species develop from preexisting species over time? The process by which species change over time is evolution. The process by which new species develop from preexisting species over time is evolution.
Pioneer species get their name because they are the pioneers of the forest. This lesson will define pioneer species and will explain their importance to the ecosystem.ecause pioneer species are the first to return after a disturbance, they are the first stage of succession and their presence increases the diversity in a region.