McCarter Biology

Biology IS Life

Biological Classification – Shells


Click on the link below to start the lab.

Learning Objectives:  to organize a set of 20 shells into categories, create an evolutionary tree (cladogram) based on this classification system, to realize that superficial similarities do not always indicate close evolutionary relationships.

Key Concepts: dichotomous keys, cladograms (phylogenetic trees), taxonomy, evolution.

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