Give your biology students a focused look at genetic drift and gene flow with ninety questions built for real classroom use, whether you are starting a new unit or reviewing before a test.

Sample questions include "How does the concept of genetic rescue relate to gene flow?", "What is gene flow primarily responsible for in evolutionary biology?", and "How does gene flow affect genetic drift in a population?"

What's Inside?

• 30 Multiple Choice questions as a separate print ready PDF worksheet
• 30 True or False questions as a separate print ready PDF worksheet
• 30 Short Answer questions as a separate print ready PDF worksheet
• Includes Answer Key with Explanations for all 90 questions
• 6 print ready PDF files, 26 pages in total

Each worksheet reviews the same core ideas from a different angle. Use them across a week or unit so students see the material three times without it ever feeling repetitive.

Ways to Use This Resource

• Review before a lab or class discussion
• Self checking stations, since every answer key includes explanations
• Bell ringers and warm ups during the unit
• Homework or review before a quiz
• First look diagnostic to plan your unit

This set is part of a complete NGSS aligned biology unit. The unit also covers Sources of Genetic Variation, Polygenic Traits and Phenotypes, Environmental Effects on Traits, Gene Expression and Regulation, Heritability and Genetics, and Modern Genetics and Trait Analysis, all in the same three worksheet format, so your classroom routine stays familiar while the topic changes.

Suitable for Grade 9-12 biology classes, and for NGSS aligned review at any point in the school year. This set is aligned to NGSS standard HS-LS3-2.