Living Systems
How organisms are organised. Body systems, plant systems and ecosystems — from specialised cells to food webs and endangered species.
Lessons
14 totalFrom cells to body systems
Connect cells, tissues, organs and systems in multicellular organisms.
The digestive system
Trace food's journey through organs of digestion.
The circulatory system
How the heart and blood vessels keep you alive.
The respiratory system
Breathing in, gas exchange, and breathing out.
The excretory system
How the body removes waste to stay healthy.
How body systems interact
No system works alone — they depend on each other.
Disorders and disease in body systems
What happens when a body system breaks down?
Plant structure — xylem and phloem
The vascular system that keeps plants alive.
Specialised plant cells
How plant cells are shaped for their jobs.
What makes an ecosystem?
Identify the living and non-living parts of any habitat.
Biotic and abiotic factors
How living and non-living factors shape populations.
Food webs and energy flow
Trace energy through producers, consumers and decomposers.
Energy pyramids and populations
Why energy shrinks at each level — and what changes populations.
Endangered species in Australia
Why Australia leads the world in species loss.
Syllabus Outcomes
- SC4-LIV-01 Describes the role, structure and function of a range of living systems and their components