Free Printable WorksheetScienceGrade 6Science CurriculumSCI.6.80

6.80 Populations, Resources, and Carrying Capacity Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 6 Science worksheet provides structured practice on 6.80 Populations, Resources, and Carrying Capacity. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Populations, Resources, and Carrying Capacity - Which statement best describes populations, resources, and carrying capacity? (NGSS MS‑LS2‑1)

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 6.80 Populations, Resources, and Carrying Capacity skill assessments:

Problem 1Difficulty: Mastery

A laboratory population shows this pattern: rapid growth, then a plateau, then a second smaller plateau after a toxin is introduced.

Which statement best explains the two plateaus?

AThe second plateau is higher because toxins always add resources.

BTwo plateaus prove that carrying capacity is unrelated to limiting factors.

CPlateaus happen only because populations follow a schedule, not because of resources or conditions.

DThe first plateau reflects the original carrying capacity; the toxin reduced survival or reproduction, lowering carrying capacity and creating a new lower plateau.

Solution & Explanation:A plateau indicates the environment’s limit. When conditions worsen (toxin), the limit can drop, and the population stabilizes at a lower level.

Problem 2Difficulty: Mastery

A coastline warms, changing plankton species. Small fish that ate the old plankton decline, but jellyfish that eat the new plankton increase.

Which statement best describes why carrying capacities for different consumers can shift in opposite directions?

AIf one consumer declines, all consumers must decline because carrying capacity is shared equally.

BCarrying capacity changes only with habitat size, not resource type.

CChanging resources can lower carrying capacity for one consumer while raising it for another, depending on which species can use the new resource.

DResource shifts cannot change carrying capacity because consumers adapt instantly and equally.

Solution & Explanation:Carrying capacity depends on usable resources. If the resource changes form, species that can use it may increase while others that cannot may decline.

Problem 3Difficulty: Mastery

A desert rodent population is limited by both seeds and shade burrows. A wet year increases seed production, but a wildfire destroys many shrubs that provide shade.

Which statement best predicts the net effect on carrying capacity?

ACarrying capacity must increase greatly because any resource increase guarantees higher K.

BCarrying capacity may not increase much because while seeds increase, loss of shade/shelter may become the new limiting factor.

CCarrying capacity must decrease because more seeds always lower survival.

DCarrying capacity becomes unlimited because wildfires create burrows.

Solution & Explanation:When multiple essential resources exist, the scarcest one limits the population. If shelter is destroyed, it can cap the population even if food improves.

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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 SCI.6.80 (Grade 6 science practice and review on populations, resources, and carrying capacity.).