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Printable ecology quiz with 15 multiple-choice questions on food chains, ecosystems, biotic factors, and symbiosis.
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Ecology Quiz

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This printable ecology quiz includes 15 multiple-choice questions covering ecosystems, food chains, biotic and abiotic factors, autotrophs and heterotrophs, decomposers, adaptations, and types of symbiosis (mutualism, commensalism, parasitism). Suitable for middle and high school biology students as a unit review, assessment, or study guide.

Subject:
Science
Topic:
Biology
Grade Level:
6th – 10th Grades
Updated March 2026

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