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5th grade science worksheet on saltwater biomes and ocean zones with multiple-choice and short-answer questions.
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Saltwater Biomes and Ocean Zones

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This printable science worksheet for 5th graders covers saltwater biomes and ocean zones with ten questions covering the intertidal zone, neritic zone, plankton, nekton, benthos, and chemosynthesis. Students answer multiple-choice questions and short-answer prompts on vertical and horizontal ocean zones, kelp, and marine snow. Works well for chapter review or unit assessment.

Subject:
Science
Topic:
Biology
Grade Level:
5th Grade
Updated May 2026

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