1. Invasive Species Invasive vs. Native Species
The Effect of an Invasive Species on an Ecosystem
The Small Asian Mongoose
Controlling Invasive Species
5 Extreme Invasive Species

2. What is an Invasive Species? What is a Native Species?
Come up with a definition for both by yourself.
With the person beside you, discus what you came up with and create a new definition for each.
Have your group join another. Once again join forces, discuss your ideas and create an final definition for each term.

3. Invasive Species – The Story of Bunny
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5. Invasive Species ___________
Can be natural – migration due to habitat loss or range extension.
Or can be a result of human activity.
Japanese Beetle – originally from Japan. It consumes
the leaf material between the veins killing the plant and
will also feed on fruit on the plants if present.
Kudzu – Grows about a foot per day and covers 150,000 acres per year. It costs the U.S. an estimated $6 million annually

6. Native Species
__________

7. The Effect of an Invasive Species on an Ecosystem
They are four major threats invasive species pose. They can:
alter the ecosystem.
destroy forests, crops or both.
reduce the beauty or use of the land.
__________

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9. 2. Destroy forests and crops
__________
They also love to feed on farm crops such as corn.
In one night, 35 ……………

10. 3. Reduce the beauty or use of the land
Invasive species reduce the water quality and beauty of the landscape.
This will negatively impact wildlife viewing.
Various invasive species can …………..
___________

11. 4. Introduction of diseases and health risks
__________
Example: Mosquito’s and West Nile virus.
Pesticides which are sprayed to reduce the invasive species …………………..

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13. Example: The Small Asian Mongoose
__________
Mongoose’s breed quickly and soon their population soared.
Currently they cause approximately $50 million in damages to the Hawaiian and Puerto Rico islands every year!

14. Controlling Invasive Species
It’s important to prevent …………….
There are 3 main ways to control invasive species populations.
1) Chemical Control
2) Mechanical Control
3) Biological Control

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16. 2. Mechanical Control
Creating barriers (fences) to prevent the movement of species from one location to another.
Removing them by cutting down trees, ______

17. 3. Biological Control _________
Unfortunately, the organism that is brought in to remove the invasive species is also an invasive species and can become just as troublesome or worse.
Example: The Cane Toad was
introduced to Hawaii, the
Caribbean, and the
Philippines to fight pests
in sugarcane fields.

18. 5 Extreme Invasive Species
________