With the gasoline-powered Passat, the TSI badge stands for Turbocharged Stratified Injection.. It means that the 1.8-liter four-cylinder combines turbocharging and direct injection, but it also is used to indicate that this new engine uses Volkswagen's latest and greatest technology.
Pioneer species are the first species to enter an area after a disturbance. They are the colonizers. The pioneer species are the first stages of ecological succession, which is a series of changes over time in the types of organisms in an ecosystem.Common pioneer species include bacteria, fungi and lichens.Pioneer species usually have the ability to live in harsh environments where other species cannot survive.hey are the colonizers. The pioneer species are the first stages of ecological succession, which is a series of changes over time in the types of organisms in an ecosystem. Common pioneer species include bacteria, fungi and lichens.
One of these organisms would be a lichen. Lichens are considered pioneer because they will begin to destroy the rock and ash producing soil. They can survive because a lichen is a mutualistic relationship between a fungus and an algae.