Year 8 Science · Unit 1

Living Systems

Explore how living things are organised from cells to organ systems, how they transport materials, maintain homeostasis, and interact as part of Australian ecosystems.

Stage 4 SC4-LIV-01 25 Lessons 5 Checkpoints Unit Quiz

Lessons

Block A — Organisation in Living Things (L01–L05)

01Living Systems and Levels of Organisation 02Cells, Tissues and Organs in Context 03Organ Systems and Why Components Matter 04Plant Systems as Living Systems 05Organisation Synthesis — From Cells to Systems

Block B — Transport and Exchange (L06–L10)

06Why Living Things Need Transport Systems 07Plant Transport — Roots, Stems and Leaves 08Gas Exchange in Plants 09Animal Transport — Circulatory System Basics 10Animal Gas Exchange and System Interaction

Block C — Nutrition, Waste and System Interaction (L11–L15)

11Getting Materials In — Digestive System Basics 12Removing Waste — Excretory System Basics 13Plants Need Inputs Too — Water, Minerals and Light 14Comparing Plant and Animal Living Systems 15What Happens When One Component Fails?

Block D — Homeostasis and Regulation (L16–L20)

16Stable Internal Conditions — Entry to Homeostasis 17System Interactions That Support Homeostasis 18Investigating Living Systems 19Evidence-Based Explanations in Living Systems 20Final Living Systems Synthesis and Depth Study Preparation

Block E — Ecosystems and Australian Biodiversity (L21–L25)

21What Is an Ecosystem? 22Food Webs and Energy Flow 23Matter and Energy Cycling 24Population Changes and Introduced Species 25Endangered Species and Australian Biodiversity

Checkpoints & Assessment

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Checkpoint 1
Lessons 1–5
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Checkpoint 2
Lessons 6–10
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Checkpoint 3
Lessons 11–15
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Checkpoint 4
Lessons 16–20
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Checkpoint 5
Lessons 21–25
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Unit Quiz
Full unit cumulative assessment