Grade 7 Ecosystem Dynamics Science Lesson Bundle (Ontario) Worksheets
$38.40$48.00Save $9.60
Evergreen Desk Education
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SubjectScienceGradeGrade 7
What’s included
12 worksheets · Save $9.60 (20%) · prices shown inside the bundle
Grade 7 Science Worksheet | Human Stewardship & Ecosystem Impact (PDF)- Summarize common human impacts on ecosystems, including habitat alteration, pollution, resource extraction, and non-native species.
- Explain consequences of human impacts for species composition, ecosystem functions, and long-term resilience.
- Describe core stewardship principles such as mitigation, habitat protection, restoration priorities, and evidence-based monitoring.
$3.20$4.00
Grade 7 Science Worksheet | Decomposition Cycles (PDF) – Ontario Standards- Explain how detritivores, fungi, and bacteria break down organic matter and how abiotic factors affect decomposition rates.
- Describe how carbon and nitrogen move and transform during decomposition (including formation of detritus, mineralization, and nutrient uptake).
- Connect decomposition rates to soil fertility and ecosystem productivity in wetlands, forests, and grasslands.
$3.20$4.00
Grade 7 Science | Population Limits Worksheet (PDF) – Ontario Standards- Explain how exponential and logistic growth models describe population changes over time
- Identify limiting factors (food, predation, disease, and abiotic stress) and predict their effects on populations
- Distinguish density-dependent from density-independent influences on population size
$3.20$4.00
Grade 7 Science | Species Adaptations Worksheet (Ontario Standards) (PDF)- Explain how structural, physiological, and behavioral adaptations help organisms survive in specific environments
- Describe how selective pressures such as temperature, moisture, predation, and resource availability can shape adaptations over time
- Identify adaptation trade-offs and predict how traits may vary across habitats such as wetlands, forests, and open meadows
$3.20$4.00
Grade 7 Science Worksheets – Invasive Species Impacts (PDF)- Explain how invasive, non-native species can harm ecosystems through competition, changed food webs, and habitat structure.
- Describe common pathways by which non-native species are introduced and identify factors that help them become established.
- Evaluate how invasive species can create economic costs and increased long-term management needs.
$3.20$4.00
Grade 7 Science Worksheet | Abiotic Drivers & Ecosystems (PDF)- Identify abiotic drivers (temperature, light, soil composition, moisture, and pH) and describe how they vary across space.
- Explain how abiotic gradients create microhabitats and influence where organisms can live.
- Connect abiotic regimes to organism tolerance ranges and species occurrence in communities.
$3.20$4.00
Grade 7 Science – Freshwater Dynamics Worksheet (Ontario Standards) (PDF)- Describe how stratification, oxygen gradients, and light penetration form vertical zones in ponds and lakes.
- Explain how abiotic gradients affect community composition and where species can live within a freshwater system.
- Predict how seasonal thermal turnover changes dissolved oxygen, nutrient mixing, and habitat suitability.
$3.20$4.00
Grade 7 Science – Ecosystem Restoration Strategies Worksheet (PDF)- Explain ecological restoration principles, including reference conditions, active vs. passive approaches, and evidence-based goals
- Describe how species selection, genetic considerations, and habitat connectivity influence restoration planning
- Identify trade-offs between short-term recovery and long-term resilience, and connect restoration to monitoring and adaptive management
$3.20$4.00
Grade 7 Science – Biodiversity Indices Worksheet (Ontario) PDF- Explain how species richness and evenness help describe biodiversity in an ecosystem.
- Interpret common biodiversity indices (including the idea of how diversity changes across habitats).
- Connect habitat heterogeneity and niche diversity to species turnover and community differences.
$3.20$4.00
Grade 7 Science | Ecosystem Basics Worksheet (Ontario Standards) (PDF)- Identify biotic and abiotic components of an ecosystem and describe their roles
- Explain trophic categories (producers, consumers, decomposers) and how energy flows from sunlight
- Use food chains from pond and forest settings to describe connections, matter cycling, and ecosystem balance
$3.20$4.00
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Who is Grade 7 Ecosystem Dynamics Science Lesson Bundle (Ontario) Worksheets designed for?
Grade 7 Ecosystem Dynamics Science Lesson Bundle (Ontario) Worksheets is designed for Grade 7 students and Science learners and can be used in classrooms, homeschool, or independent practice.
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