Free Printable WorksheetScienceGrade 6Science CurriculumMS-LS2-2

6.82 Symbiosis, Predation, and Competition Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 6 Science worksheet provides structured practice on 6.82 Symbiosis, Predation, and Competition. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Symbiosis, Predation, and Competition - Which diagram or model best shows symbiosis, predation, and competition? (NGSS MS‑LS2‑2)

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Grade 6

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 6.82 Symbiosis, Predation, and Competition skill assessments:

Problem 1Difficulty: Mastery
Use the forest ecosystem diagram. Which option correctly labels all three interactions?
ARobin-caterpillar predation, tick-robin parasitism, and robin-squirrel competition for nesting cavities.
BRobin-caterpillar competition, tick-robin mutualism, and robin-squirrel parasitism.
CRobin-caterpillar mutualism, tick-robin predation, and robin-squirrel commensalism.
DRobin-caterpillar parasitism, tick-robin commensalism, and robin-squirrel predation.
Solution & Explanation:The robin eats caterpillars, ticks feed on the robin, and the robin and squirrel both need the same tree cavities.
Problem 2Difficulty: Mastery
On a reef, parrotfish and surgeonfish both graze algae. A grouper eats parrotfish, and cleaner shrimp remove parasites from the grouper. Which statement is best supported?
AAll four organisms are predators of one another.
BThe reef contains only competition and no symbiosis.
CThe shrimp and algae are parasites of the fish.
DParrotfish and surgeonfish compete, the grouper preys on parrotfish, and cleaner shrimp are mutualists with the grouper.
Solution & Explanation:The reef example includes competition for algae, predation by the grouper, and mutualism between shrimp and grouper.
Problem 3Difficulty: Mastery
Which model best shows that one ecosystem can contain symbiosis, predation, and competition all at once?
AA mushroom growing on a log while birds migrate overhead.
BA tick feeding on a deer, a fox hunting a rabbit, and a deer and rabbit eating the same shrubs.
CA whale swimming with barnacles while algae grow in a pond.
DTwo flowers blooming beside a stream and a bee resting on a rock.
Solution & Explanation:That model includes parasitism as symbiosis, predation, and competition in one ecosystem.

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Frequently Asked Questions

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QIs this 6.82 Symbiosis, Predation, and Competition worksheet free for teachers and homeschoolers?

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 6 Science students. It aligns with educational standard MS-LS2-2 (Primary standard selected for prompt fields in this prompt cell: NGSS MS-LS2-2. Skill statement in this prompt cell: Which diagram or model best shows symbiosis, predation, and competition? Associated standards listed with this skill in this prompt cell: NGSS MS-LS2-2. Use this prompt-provided wording as the supporting standard description for this workflow.).

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