Science / Year 7 / Science Understanding / Biological sciences

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Curriculum content descriptions

Classification helps organise the diverse group of organisms (ACSSU111)

  • considering the reasons for classifying such as identification and communication
  • grouping a variety of organisms on the basis of similarities and differences in particular features
  • considering how biological classifications have changed over time
  • classifying using hierarchical systems such as kingdom, phylum, class, order, family, genus, species
  • using scientific conventions for naming species
  • using provided keys to identify organisms surveyed in a local habitat
ScOT terms


Tablet friendly (Interactive resource)

Plant scan

Show an alien how much you know about plant life on Earth. Answer a quiz on plant structure and function. Identify labels for plant parts. Match each plant part with its function. This learning object is the last in a series of two objects.

Interactive Resource

NSW ecosystems on show

This resource highlights fifteen natural ecosystems found in New South Wales. Each resource has been designed for students investigating ecosystem types in NSW, providing a greater understanding of their location, function, how they are impacted by human activity and how schools and communities can work to protect them. ...

Interactive Resource

Circle of life: student digital activities

This is a set of student digital activities about classification of living things and ecosystems and their management. It contains a rich array of interactive activities, film clips and notebook questions to assist learning, and is part of a comprehensive curriculum resource that covers Biological sciences content descriptions ...

Interactive resource

Bacteria zoo

Explore facts about a range of bacteria. Examine a lab collection, and then find more bacteria in a rural environment. Identify bacteria according to their shape, location and type of movement. Find bacteria which match statements such as 'helpful to humans' or 'can move by themselves'. This learning object is a combination ...

Interactive resource

Bacteria zoo: significant species

Explore images and facts about a range of bacteria that are interesting, helpful or harmful to humans. Look at bacteria that cause diseases, aid digestion, help crop plants to grow, or break down waste. Explore the diversity of movement, location and shape. This learning object is one in a series of four objects.

Teacher resource

Classification of organisms

This is a unit of work designed to help students investigate the similarities and differences between a range of organisms including plants, animals and micro-organisms. Students use these variations to organise and classify organisms according to accepted hierarchial categories. They examine the need for scientists to ...


Ant safari

This ABC In Depth feature article includes some good advice for exploring local ant populations as well as an excellent information report on Australian ants: the different types and their roles.

Teacher resource

Classifying systems in cells

The nature of how living things work is intrinsically connected and interrelated. This unit covers a broad range of topics, from molecular aquaporins (the tiny channels through which water and other molecules pass through cell membranes) to the global challenge of securing the world's food supply. It contains a sequence ...

Teacher resource

Wild backyards: plan a study

This is a web page produced by the Queensland Museum about how to plan a biodiversity assessment within a school or local community, which includes an embedded 4-minute introductory video. The video is supported by links to a transcript of the video, a Backyard explorer leader's guide, a Backyard explorer user's guide, ...

Moving Image

What are microbes?

What are microbes? What are the four major groups that most microbes belong to? Listen as Dr Taghrid Istivan explains where microbes are found. What is the name of the group of microbes she describes as beneficial to our health? Can you explain what happens when people get food poisoning?

Moving Image

South Australia's ancient sea fossils

Come on a palaeontologist's dig at Emu Bay, South Australia, and discover some weird-looking creatures frozen in stone. Find out what these fossils tell scientists about life on the ancient sea floor. There is a demonstration of how a fossil is formed, and you'll be surprised by the types of materials that have been preserved.

Moving Image

Testing the 5-second rule

When it comes to dropping food, have you heard of the 5-second rule? Or the 3-second rule? Watch this video to learn what really happens when you drop food. In order to cause disease, what must bacteria do? What circumstances allow bacteria and viruses to contaminate food more successfully?

Interactive resource

Bacteria zoo: the zoo

Explore facts about a range of bacteria. Examine a lab collection of bacteria. Identify bacteria according to their shape. This learning object is one in a series of four objects. Three objects in the series are also packaged as a combined learning object.

Interactive Resource

Sites2See: Insects and Spiders

This page links to a range of materials from the Australian Museums' Bugwise program, with additional materials and activities, including a resource about invertebrates in freshwater.

Interactive Resource

Sustainability action process: Biodiversity (Years 7–10)

This resource guides students through an extended school-based or local investigation focussed on biodiversity using the five-step sustainability action process. The resource supports the investigation of a real-world issue or problem. Students develop and implement a chosen sustainability action and then evaluate and reflect ...

Interactive Resource

Macrobiotica – science @ the lakes

In this resource students work as scientists while exploring their local environment in the real world of scientific endeavour. Games and animations are used to model the real experience of investigating a freshwater lake. This version of the Macrobiotica resource has been modified for Internet use by removing Teaching ...


Circle of life: student guide

This is a student guide about classification of living things and ecosystems and their management. It contains information and hands-on inquiry activities, and is part of a comprehensive curriculum resource that covers Biological sciences content descriptions in Year 7 of the science curriculum. The resource integrates ...

Moving Image

Decoding the platypus genome

Find out what scientists have discovered from decoding the platypus genome. Learn how these discoveries provide some surprising insights into this unusual animal's underwater feeding, number of sex chromosomes, protection of its young and evolution of the male platypus's venomous spur.


Treetop kangaroos

This ABC In Depth feature article includes everything you wanted or needed to know about tree kangaroos. This article describes their reproduction, classification, adaptations and issues relating to their conservation.



This six and a half minute video segment from Catalyst shows one of the most beautiful and bizarre creatures under the sea, the seahorse. Their highly unusual reproduction has not been sufficient to overcome the impacts of habitat destruction and human predation.