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