🌍 Classification Systems Interactive Worksheet & Tree Analysis
Bring Classification Systems to life with this exam-aligned, data-driven worksheet designed for Leaving Certificate Biology.
This resource moves beyond memorising taxonomic ranks and challenges students to interpret phylogenetic trees, analyse molecular data, and apply modern classification principles.
Students will:
• Apply the eight taxonomic levels correctly
• Interpret and justify relationships in phylogenetic trees
• Analyse DNA similarity data
• Draw and interpret graphs linking bioinformatics and species discovery
• Compare domains and kingdoms using structured data tables
• Explain how scientific developments have shaped classification over time
Includes:
✔ Graph drawing question (with dual-variable data)
✔ Fully structured phylogenetic tree analysis
✔ Molecular comparison table
✔ Data interpretation questions
✔ Higher-order justification prompts
✔ Extended response questions linking evolution and bioinformatics
Perfect for:
• 5th Year Organisation of Life
• Revision lessons
• Higher-level stretch
• Building exam technique
• Strengthening “Analyse” and “Justify” skills
Designed to develop scientific reasoning, not just recall.
📎 PDF format, ready to print or assign digitally.
🔗 Created by LeavingCertBiology.ie – trusted by Irish teachers and students nationwide.
Note: Nobody has the right to send, print, copy, resell or share this digital document electronically or otherwise. This digital document is copyrighted with all rights reserved to the creator Emma Ronan. Note: Nobody has the right to send, print, copy, resell or share this digital document electronically or otherwise. This digital pdf document is copyrighted with all rights reserved to the creator Emma Ronan. Download links expire 30 days after purchase, please ensure file is saved.
Classification Worksheet
Strictly no refund or return on this product. All rights reserved to the owner of this site, you do not have the right to share, copy, photograph this product. Download links expire 30 days after purchase, please ensure file is saved.

