Free Printable WorksheetScienceGrade 6Science CurriculumDCI LS2.C

6.83 Ecological Succession Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 6 Science worksheet provides structured practice on 6.83 Ecological Succession. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Ecological Succession - Which diagram or model best shows ecological succession? (DCI LS2.C)

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 6.83 Ecological Succession skill assessments:

Problem 1Difficulty: Mastery

A infographic of one site shows year 0 bare ground, year 3 grasses, year 10 shrubs, and year 25 trees. A side bar shows soil depth increasing during the same period. Which feature makes this a strong model of ecological succession?

AIt shows only one species, so the diagram stays simple.

BIt includes both community change and environmental change over time.

CIt proves every ecosystem reaches trees in exactly 25 years.

DIt avoids showing any role for pioneer species or soil.

Solution & Explanation:A strong succession model shows more than changing species. It also shows environmental changes, such as increasing soil depth, that help explain the pattern.

Problem 2Difficulty: Mastery

Which statement best links succession to ecosystem stability after disturbance?

ASuccession can rebuild habitats and food sources over time, which may increase stability compared with conditions right after disturbance.

BSuccession makes ecosystems less organized because more species always cause chaos.

CSuccession ends once the first plants return, so stability never changes.

DEcosystem stability depends only on weather and not on living communities.

Solution & Explanation:As succession rebuilds plant communities, food sources, shelter, and interactions can recover, helping the ecosystem become more stable again.

Problem 3Difficulty: Mastery

Student A says wildfire usually leads to secondary succession because soil remains. Student B says new lava often leads to primary succession because there is no soil. Which evaluation is best?

AOnly Student A is correct.

BOnly Student B is correct.

CBoth students are correct.

DNeither student is correct because all succession begins the same way.

Solution & Explanation:Wildfire often leaves soil behind, which supports secondary succession, while new lava creates bare rock, which leads to primary succession.

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Frequently Asked Questions

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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 DCI LS2.C (Primary standard selected for prompt fields in this prompt cell: DCI LS2.C. Skill statement in this prompt cell: Which diagram or model best shows ecological succession? Associated standards listed with this skill in this prompt cell: DCI LS2.C. Use this prompt-provided wording as the supporting standard description for this workflow.).