What This Document Is
This document is a student exploration activity centered around the concepts of natural and artificial selection, designed for a Grand Canyon University Environmental Science (BIO 220) course. It utilizes a Gizmo simulation—an interactive online tool—to allow students to investigate how traits are inherited and modified across generations through both naturally occurring and human-directed breeding processes. The activity focuses on insect coloration as a model for understanding evolutionary principles.
Why This Document Matters
This exploration is valuable for students learning about evolution, genetics, and adaptation. It’s typically used as a hands-on component of a larger unit on evolutionary biology, helping to solidify theoretical knowledge with practical application. Understanding natural and artificial selection is foundational to comprehending biodiversity, the impact of human activity on species, and the mechanisms driving evolutionary change. Students will benefit from this activity when preparing for assessments on evolutionary concepts.
Common Limitations or Challenges
This document is *not* a comprehensive textbook chapter or a standalone learning resource. It requires access to the ExploreLearning Gizmo simulation to be fully utilized. The activity focuses specifically on color variation in insects and doesn’t cover the full breadth of evolutionary mechanisms or genetic complexity. It’s designed to be a guided exploration, not independent study.
What This Document Provides
The full document includes:
* A vocabulary list defining key terms like artificial selection, genotype, phenotype, and mutation.
* A prior knowledge question to assess initial understanding of dog breed development.
* Step-by-step instructions for interacting with the Natural and Artificial Selection Gizmo.
* Guided questions and prompts to analyze simulation results, focusing on genotype/phenotype relationships, the impact of mutations, and the calculation of average fitness.
* Data recording sections for tracking observations during the simulation.
This preview *does not* include access to the Gizmo simulation itself, nor does it provide answers to the activity questions. It offers a glimpse into the activity’s structure and the core concepts it addresses.
