1. Invasive Species

2. What is an invasive species?
An invasive species, or non-native species, is an organism that is not native to a location or ecosystem.
The introduction of non-native species causes or is likely to cause economic or environmental harm, or harm to human health.

3. How do they get there?
Ships: can carry aquatic organisms in their ballast water.
Wood products: insects can get into wood, shipping crates, etc.
Ornamental plants: some ornamental plants are introduced into the wild and become invasive.
Pet trade: some species are intentionally or accidentally released pets.

4. On a separate piece of paper:
Species:
Native to:
Introduced to:
How it got there:
Effect: 1. 2. 3. 4. 5.

5. Look up: Zebra mussels Cane toads Kudzu Asian carp
Northern Pacific sea stars