Tag: selection
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Case Study – The Cricket that Stopped Singing
Imagine this: on a quiet night in Hawaii, the usual symphony of chirping crickets suddenly vanishes. But it’s not just a natural lull — it’s the sound of evolution in action. This real-life phenomenon is the centerpiece of a ready-to-use biology case study perfect for your unit on evolution, natural selection, or animal behavior. It’s…
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Variation and Sexual Dichromatism in Parrots
Explore sexual dimorphism be examining data on parrot coloration and environment details, like predators, competition, and mate choice.
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Explore Bunny Selection and Mutations with PHET
Students explore bunny selection with this PHET interactive activity. Observe bunny populations change in response to environmental conditions and predators.
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Data Analysis – Lizards in a Hurricane
Students examine images showing how lizards hang on to a branch during high winds. Data shows that some anoles have larger toe pads
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Evolution and the Peppered Moth Game
Based on experiments showing moths evolve in response to pollution. Play a game where you try to catch moths in different environments
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Evolution Crossword
This simple worksheet is designed to help students with vocabulary and study for their test over the Theory of Evolution by Natural Selection.
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Evolution – VIDA chart
This chart is used as a graphic organizer to help students understand the process of evolution by natural selection. I use this chart multiple times throughout the unit, basically for each model organism we study. VIDA means: Variation, Inheritance, Differential Survival and Reproduction, Adaptation. These principles apply not matter what organism you are studying. For…
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How Do Bunny Populations Change Over Time?
A set of images show how rabbits change over time as a result of selective pressure from wolf predation. Students match each graphic with one of the four steps of evolution on the VIDA chart: variation, inheritance, differential survival, and adaptation.
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Data Analysis: Virginia Opossum and Color Variations
Students examine scatter plots that show phenotype variations among opossums in North America, exhibiting variations in coat color, ear length, and size.