statesman journal article reveiw

1. Experts estimate that a fraction of 1 percent of foreign species turn out to be invasive most of the nations domesticated animals and food crops are non-native species but are not invasive

invasive species are the ones who reproduce early and quickly colonize rapidly spread themselves in multiple ways have few or no natural predators and tolerate a wide range of conditions

2. european settlers brought plants and animals that reminded them of home or could be used for food and medicine other european critters simply caught a ride on an american bound ship

3. scientists estimate that new non native species are introduced to the columbia river gorge every five months

4.Invasive plants not only steal soil sunlight and nutrients from plants but they drive out native animals that don't have an appetite for exotic speicies

5. As many as 50,000 non-native species have been introduced into the untied states new ones are arriving every day-on airplanes, ships, cars. nursery plants and cargo