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.
Exotic species have the potential to become invasive when they are released into a new environment. Invasive nonindigenous species are those species whose introduction causes, or is likely to cause, significant economic or environmental harm. Not all non-native species become invasive when released to novel systems.n contrast, native species are species that have historically occurred as part of an ecosystem in a specific location. Native species are also called indigenous species. Introduction is defined by Krueger and May (1991) as the transfer by humans of an organism outside its native range.