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Science / Year 7 / Science Understanding / Biological sciences

View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
Curriculum content descriptions

Interactions between organisms, including the effects of human activities can be represented by food chains and food webs (ACSSU112)

Elaborations
  • using food chains to show feeding relationships in a habitat
  • constructing and interpreting food webs to show relationships between organisms in an environment
  • classifying organisms of an environment according to their position in a food chain
  • recognising the role of microorganisms within food chains and food webs
  • investigating the effect of human activity on local habitats, such as deforestation, agriculture or the introduction of new species
  • exploring how living things can cause changes to their environment and impact other living things, such as the effect of cane toads
  • researching specific examples of human activity, such as the use of fire by traditional Aboriginal people and the effects of palm oil production in Sumatra and Borneo
Cross-curriculum priorities
ScOT terms

Human impact,  Food webs

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Weeds attack!

Weeds attack! is a web-based, multimedia resource with interactive learning activities aimed at preparing students to investigate a local weed of national significance. This is a hands-on project based on the Weed Warriors program. The resource models the activity of growing a bio control for bitou bush, using a games-based ...

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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.

Interactive

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.

Video

Sea Urchins

This 7 minute video segment from Catalyst describes an excellent example of how biologists have worked to investigate and solve a problem of an invading species of sea urchin that was devastating a marine ecosystem. The scientific approach to develop a biological control needed to rely on technologies such as radio tracking ...

Interactive

Catchment Detox

Students play the game and make decisions about the development of a catchment with competing economic and environmental demands. Students receive feedback on how sustainably their catchment has been managed.

Video

Ladybirds

This program encourages people to observe and identify ladybirds in their own backyard. There is the potential to discover a new species or identify an introduced and harmful member of this group of insects.

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Ibis Invasion

This ABC In Depth feature article describes research on Australian white ibis - or 'tip turkeys' as many call them. They are regarded as a nuisance in cities, especially in the spring breeding season. But scientists fear they may become extinct as more pressure is put on the wetlands that are their native and adopted environments. ...

Interactive

Biodiversity – sustainability action process (Years 7–10)

This biodiversity learning resource guides students through an extended school based investigation. Students develop and implement a chosen sustainability action and then evaluate and reflect on their success and their learning.

Video

DTiF in conversation with Save the Bilby Fund – Background information on the Save the Bilby Fund

Kevin Bradley, CEO of Save the Bilby Fund, and Cassandra Arkinstall, a researcher and volunteer at Save the Bilby Fund, explain why the bilby is an important indicator of the health of an ecosystem, and how their decline impacts other wildlife. This video gives an overview of what the Save the Bilby Fund does as they work ...

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DTiF in conversation with Kevin Bradley and Cassandra Arkinstall from Save the Bilby Fund – Using Digital Technologies to help save bilbies

Kevin Bradley, CEO of Save the Bilby Fund, and Cassandra Arkinstall, a researcher and volunteer at Save the Bilby Fund explain how important digital technologies are in the campaign to save the bilby from extinction. The video explains how digital systems are used to collect and visualise data and help eradicate threats ...

Online

Investigating Australian approaches to producing fish, seafood and meat

This is a unit of work about the Australian fish, seafood and meat industries. It has a particular focus on farming practices, processing methods and how food is brought to customers. The resource explores: where meat, seafood and fish come from; past, present and future farming and production systems; and a range of related ...

Online

Investigating key Australian fibre production practices in the cotton, timber and wool sectors

This is a unit of work about how cotton, timber and wool are produced, processed and brought to customers in Australia. It explores: where cotton, timber and wool comes from; past, present and future production systems; and a range of other related topics including land management, water management, waste management, revegetation, ...

Interactive

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. ...

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Indigenous Science: shell middens and fish traps

This is an article about Aboriginal shell middens along the Queensland coast and the information they provide about Aboriginal food collection practices. Written by Kudjala/Kalkadoon Elder from Queensland Letitia Murgha and intended mainly for teachers, it describes how shell middens were created over thousands of years ...

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Chemicals on the Great Barrier Reef

This program deals with a range of human impacts on the Great Barrier Reef. Herbicides from land runoff have been traced to algae and sea grasses in river mouths and coastal zones along the Great Barrier Reef. Effects include retardation of photosynthesis and growth of corals. Other pressures on the reef include high water ...

Video

Party locusts

This 8 minute video segment from Catalyst is an excellent example of animal behaviour of locusts as a successful adaptation and how understanding the behaviour can potentially help reduce the damage they cause.

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Above the snowline

This ABC In Depth feature article gives a range of examples of adaptations and responses of Australian alpine ecosystems, plants and animals to cold conditions.

Interactive

Population Size

Students use this resource consisting of ten slides with diagrams, written explanation and voice-over to understand competition amongst organisms for resources that are limited and other factors that may affect population size. There is a two-question quiz and a summary slide.

Online

Greener farming: protecting the environment

This study guide examines ways Australian cattle and sheep farmers are monitoring and researching how greenhouse gas emissions are being produced by farms and steps farmers use to reduce them. This includes selective breeding programs to produce cattle and sheep whose digestive processes emit less methane, research into ...

Online

Water: Our most precious resource

This study guide explores how Australian cattle and sheep farmers manage sustainable and efficient water use, including maintenance of healthy soils, moisture preservation, erosion and viable grazing systems. A range of articles and student activities explore the water cycle and ways in which farmers are using water saving ...