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Natural selection and adaptation biology crossword with snow mouse vocabulary.
Crossword Puzzle

Natural Selection and Adaptation Crossword Puzzle

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About:

A 10-clue biology crossword introducing natural selection, adaptation, and fitness through vocabulary like "survival of the fittest," mutation, and species. The puzzle uses the snow mouse as a concrete example of how organisms adapt to their environment. Suitable for students reviewing an evolution or natural selection unit in Grades 5–7.

Subject:
Science
Topic:
Biology
Grade Level:
5th – 7th Grades
Updated February 2026

How to Use This Crossword Puzzle

Print this crossword for classroom use, homework packets, or sub plans. Click 'View Crossword' to modify clues, adjust difficulty, or add your own words before downloading as a PDF. An answer key is included with every download.

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