One example I shared with my class was how fire ants arrived in our country entirely by accident. They hitched a ride on a cargo ship from South Africa. Once the fire ants arrived in the United States, their population flourished, as they had no natural predators. Unfortunately, fire ants cause billions of dollars in destruction every year. Ruining air conditioners and killing crops are a couple of examples of their destructive behavior.
Here is the illustration from the example in the above paragraph. As you can see, all of the animal species are labeled. I like how they are coded alien (a) or native (n). This helps students to see how the native animal were affected by the change in their environment.
Here is the illustration from the example in the above paragraph. As you can see, all of the animal species are labeled. I like how they are coded alien (a) or native (n). This helps students to see how the native animal were affected by the change in their environment.
This book and the science concept lend themselves to reviewing cause and effect. The text is very clear about the effects of the "invasions" to the natural balance of the ecosystems and how they caused a variety of problems. Below are a couple of cause and effect relationships found in this book.
Cause - Some of the gypsy moths that were brought here from Europe escaped, and they have no predators.
Effect - Gypsy moth destroy over a million acres of forest each year.
Cause - The brown tree snake came to Guam on a military cargo ship. There are no natural predators.
Effect - Some of Guam's native birds are now extinct.
I created a graphic organizer for students to continue practicing cause and effect. You can easily use the organizer with this book or any other mentor text that has a cause and effect structure. You can download it by clicking here or on the picture below.
Cause - Some of the gypsy moths that were brought here from Europe escaped, and they have no predators.
Effect - Gypsy moth destroy over a million acres of forest each year.
Cause - The brown tree snake came to Guam on a military cargo ship. There are no natural predators.
Effect - Some of Guam's native birds are now extinct.
I created a graphic organizer for students to continue practicing cause and effect. You can easily use the organizer with this book or any other mentor text that has a cause and effect structure. You can download it by clicking here or on the picture below.
If you teach ecosystems or a unit on informational reading, I highly recommend this book. It is well-organized, full of great information & illustrations, and highly engaging for our young readers.
Thank you!
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