Title: Define invasive species.
Course: Forestry Management, Advanced (18502-II) > Section: Protecting the Forest

Definition should include the concept that an invasive species is one that is introduced to an area where it has no natural predator and threatens local wildlife. Invasive species are usually non-native, but some native organisms that overpopulate can be considered invasive. Examples may include

- emerald ash borer
- spongy moth
- kudzu
- multiflora rose
- thousand cankers disease
- tree-of-heaven
- Callery pear
- autumn olive
- Asian bittersweet.

Teacher Resources:

- Invasive Plants in Virginia, Virginia Department of Forestry
- What Are Invasive Species?, Virginia Invasive Species

Process/Skill Questions:

- How can invasive species be controlled?
- How are invasive species introduced?
- How do invasive species affect the ecosystem?