Invasive plants are called invasive because they are "invading" our yard. Plants like blackberries can choke our plants to death. English Ivy can do that too. That is why we need to get rid of them.
Invasive involves cutting the body open, invading it. Non-invasive uses existing bodily cavities to reach areas if they can be operated on that way. In the future, nanosurgery using tiny devices and...