3 free ecosystems & food chains resources for 7th Grade: 3 worksheets. Answers included.
Food chains and webs, habitats, adaptations and interdependence. In 7th Grade, In 7th grade, math becomes algebraic: integers, simplifying expressions, substitution, solving simple equations, ratios and index notation.
Students will practice: identifying producers, consumers and decomposers in a food web; tracing food chains and naming trophic levels; predicting the effect of a population change on a food web; calculating energy transfer between trophic levels; explaining how human activities affect ecosystems; suggesting ways to reduce human impact; classifying factors as biotic or abiotic; explaining how environmental factors affect the distribution of organisms.
Printable practice with an answer sheet.
Students read a grassland food web to identify producers, consumers and trophic levels, trace food chains and predict what happens when…
Students learn the difference between biotic (living) and abiotic (non-living) factors, how each affects where organisms live and how many…
Students learn the ways organisms interact in an ecosystem: competition for resources, predator–prey relationships and the three kinds of…
All ecosystems & food chains worksheets, every grade →
Food chains and webs, habitats, adaptations and interdependence. At 7th Grade, our resources focus on: identifying producers, consumers and decomposers in a food web; tracing food chains and naming trophic levels; predicting the effect of a population change on a food web; calculating energy transfer between trophic levels.
Start with the Level 1 or Level 2 worksheet, then move up a level. Finish with the topic test if there is one.
Yes — every worksheet has an answer sheet. Maths answer sheets show the working; English tasks include model answers or success criteria.
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