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Classify common ancestry

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Classify common ancestry — free printable Middle School Science worksheet

This middle school Life Science worksheet develops the skill of classifying common ancestry, asking students to group organisms based on shared evolutionary lineages within the Adaptation and Evolution strand. Teachers can use it after a lesson on evolutionary relationships or as a challenging inquiry task that requires students to apply evidence-based reasoning to classify species. Building this skill prepares students for a deeper understanding of phylogenetic trees, natural selection, and biodiversity.

Learning objectives

  • Classify organisms according to their common ancestry using provided evidence
  • Explain how shared characteristics indicate evolutionary relationships
  • Apply reasoning about common ancestry to interpret simple phylogenetic information

How to use this worksheet

  1. Select “Sign in / Sign up to download”, then sign in with Google or email to get the PDF from KiwiBee Printables.
  2. Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

Good for

ClassworkHomeworkWarm-upCentersSmall groups

Answer Key

Answer key for Classify common ancestry — free printable Science worksheet

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