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Science · Year 7 · Ready-made course

Ecosystems and Survival

Five Year 7 lessons that build from what makes an ecosystem to food chains and food webs, then apply them to a real Western Australian case of environmental change, the 2010–11 Shark Bay marine heatwave, before students make an evidence-based conservation decision.

Year 7Science5 lessonsAbout 4 hours 10 min of teachingAustralian Curriculum v9
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Copy it into your account, change anything you like, and share it with your class using a class code or your LMS. Free for 30 days.

What's in the course

Across 5 lessons: 7 interactive activities, 9 knowledge checks, 5 practice tasks, 5 reflections and 14 data tables, using 5 different TEU interactives. Every lesson opens with a real question or scenario, states its learning intention, lists its learning outcomes and checks understanding with instant feedback.

Lessons in teaching order

  1. 01
    Lesson 1 · 50 min · Ecosystems, habitats and populations

    What Makes an Ecosystem?

    Quokkas live on Rottnest Island and in parts of the south-west, but you will never find one in the Pilbara desert. Why do living things live in some places and not others?

    Students learn what an ecosystem is made of, and how living and non-living things in an ecosystem affect each other.

    Students will be able to
    • Define organism, species, population, community, habitat and ecosystem
    • Classify factors in an environment as biotic or abiotic
    • Describe where a species has been recorded and suggest a habitat-based reason
    In this lesson

    1 interactive activity · 2 knowledge checks · 1 practice task · 1 reflection · 3 data tables

    Interactives
    Curriculum
    AC9S7U02AC9S7I05
  2. 02
    Lesson 2 · 50 min · Food chains, energy flow and decomposition

    Food Chains: Energy and Matter

    Every time you eat, you take in energy that started its journey in the Sun. How does energy get from the Sun into a tiger shark?

    Students learn to model how energy and matter move between living things using food chains.

    Students will be able to
    • Identify producers, consumers and decomposers and describe their roles
    • Construct a food chain with correctly directed arrows
    • Explain why energy is lost at each step of a food chain while matter is recycled
    In this lesson

    1 interactive activity · 2 knowledge checks · 1 practice task · 1 reflection · 3 data tables

    Interactives
    Curriculum
    AC9S7U02AC9S7I04
  3. 03
    Lesson 3 · 50 min · Food webs and predicting population change

    Food Webs: One Change, Many Effects

    Monarch caterpillars eat only one kind of plant. Tiger sharks eat almost anything. If the food supply changes, which one is in more trouble — and who else is affected?

    Students learn to use food webs to predict how a change to one population can affect many others.

    Students will be able to
    • Construct a food web by linking food chains
    • Predict direct and indirect effects of a change in one population
    • Explain why specialist feeders are more at risk from change than generalists
    In this lesson

    2 interactive activities · 1 knowledge check · 1 practice task · 1 reflection · 2 data tables

    Interactives
    Curriculum
    AC9S7U02AC9S7I01AC9S7I05
  4. 04
    Lesson 4 · 50 min · Environmental change, food webs and tracking evidence

    Shark Bay Under Pressure: A Marine Heatwave

    In the summer of 2010–11, the ocean off Western Australia became much hotter than normal for weeks. In Shark Bay, huge areas of seagrass died. What happened to the animals that depend on it?

    Students learn to use a real Western Australian event to explain how a change in the environment spreads through a food web, and how scientists use evidence to study it.

    Students will be able to
    • Explain how a change in an abiotic factor affected producers and spread through a food web
    • Interpret animal tracking data to describe habitat use
    • Distinguish observations from inferences when making scientific claims
    In this lesson

    2 interactive activities · 2 knowledge checks · 1 practice task · 1 reflection · 3 data tables

    Interactives
    Curriculum
    AC9S7U02AC9S7I05AC9S7I06
  5. 05
    Lesson 5 · 50 min · Human impacts, evidence and conservation

    Conservation Challenge: Is a Species in Trouble?

    A map shows fewer sightings of a species this year. Does that prove the species is disappearing? What else would a scientist want to know before acting?

    Students learn to weigh different kinds of evidence and use what we know about food webs to recommend a sensible conservation action.

    Students will be able to
    • Describe how human activities change food webs and ecosystems
    • Compare different kinds of biodiversity evidence and their limitations
    • Justify a conservation recommendation using a claim, evidence and a limitation
    In this lesson

    1 interactive activity · 2 knowledge checks · 1 practice task · 1 reflection · 3 data tables

    Interactives
    Curriculum
    AC9S7U02AC9S7I06AC9S7I07

Curriculum alignment

Australian Curriculum v9

  • AC9S7I01: develop investigable questions, reasoned predictions and hypotheses to explore scientific models...
  • AC9S7I04: select and construct appropriate representations, including tables, graphs, models and mathematical...
  • AC9S7I05: analyse data and information to describe patterns, trends and relationships and identify anomalies
  • AC9S7I06: analyse methods, conclusions and claims for assumptions, possible sources of error, conflicting...
  • AC9S7I07: construct evidence-based arguments to support conclusions or evaluate claims and consider any ethical...
  • AC9S7U02: use models, including food webs, to represent matter and energy flow in ecosystems and predict the...

Interactives used in this course

Each one can also be used on its own or in your own lessons.

Adapt it for your classes

Every copy of a course is yours. Reorder or remove lessons, rewrite text, swap questions and add your own interactives, images and video. Students join with a class code (no student accounts needed) or from Canvas, Moodle, Schoolbox or Brightspace, and you see each student's answers and progress as they work.

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