Why Genetic Diversity Matters
9th GradeScience60 min
Learning Objective
I can explain how genetic diversity contributes to the survival of a species.
Lesson Flow
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Guided Notes
Key concepts students will learn:
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A genetic bottleneck occurs when a population declines dramatically and recovers from only a few individuals.
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Genetic diversity is important because it increases the likelihood that some individuals will have a mutation that is advantageous when the environment changes.
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Besides selection, the other drivers of evolution are mutation, migration, and genetic drift.
Practice
12 questions • Multiple choice & Short answer
Exit Ticket
“Explain how genetic diversity helps a species survive when its environment changes.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
