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Array of animals

Favorite Fish

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This lesson is designed for students to explore the idea of natural selection using a popular food item: goldfish crackers! Students explore the idea that populations of organisms can be affected by and respond to changes in the environment. It also helps students to see that natural selection is a process that happens over a longer period of time and a number of generations.The lesson also contains a case study on the peppered moth, a famous example of natural selection. In addition,this activity can also help demonstrate the impact of invasive species on native populations.

Lesson Grade Level

5th Grade

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This lesson is about exploring Arizona's state bird, the cactus wren, that lives in the desert, has special body parts and behaviors that help it survive in its harsh environment. Students will learn