Classify common ancestry
Free printable Grade 8 science worksheet for "Classify common ancestry" — practice adaptation and evolution. No-prep, print or assign online.
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
Answer Key
How to use this worksheet
- Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Classify common ancestry” worksheet free?
Yes. “Classify common ancestry” is a free printable Science worksheet. Sign in with Google or email to download the PDF instantly.
What grade or age is this Science worksheet for?
It's designed for Middle School (ages 11–14), covering Adaptation and evolution.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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