In this NO PREP natural selection graphing activity, students learn about a REAL LIFE situation where scientists tracked traits in lizards over many generations. Students use graphs as mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations. They’ll see for themselves how populations change over time due to natural selection.
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In this activity, students will:
- READ background information about a TRUE STORY where scientists released lizards onto an island and tracked changes in different traits over many generations.
- GRAPH two sets of data on a provided, pre-labeled graph.
- ANSWER brief follow-up analysis questions.
Teacher Notes:
- GO PAPERLESS by using the included Google Slides version of the activity.
- Answer key included.
- This resource is not editable.
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NGSS MS-LS4-4: Construct an explanation based on evidence that describes how genetic variations of traits in a population increase some individuals’ probability of surviving and reproducing in a specific environment.
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NGSS MS-LS4-6: Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.
