Search results

Listed under:  Science  >  Life  >  Ecosystems
Video

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?

Video

Kids in the Garden, Ep 12: Trees: a vital part of our lives

Have you ever heard of the 'sausage tree' or the 'dragon blood tree'? Watch this clip to find out about these and many other types of trees. Explore how they grow and why they are important. Presenter Nick Hardcastle will also show you how to plant a tree and grow a bonsai tree.

Text

Sustainable table: the coming famine

This is a website about the key issues related to global food insecurity. It contains sections on the scarcity of primary resources; land degradation; land scarcity; waste; climate change; consequences of inaction; and proposed solutions. Photographs, statistics, graphs, maps and figures support the information. This resource ...

Video

Marla Spivak: Why bees are disappearing

This is a video of a TED (Technology, Entertainment, Design) talk by Professor Marla Spivak about the dramatic decline in the number of bees. The 16-minute video begins with a discussion of why humans should care about bees, including their critical importance for the world's food supply. Professor Spivak explains that ...

Interactive

Chicken farming in the living world: Stage 3

Chickens are fascinating animals and provide students with an interesting subject matter to discuss the many aspects of our living world. This interactive course for students explores the question 'Why is it important for food and/or fibre to be produced sustainably?' and comprises a series of modules and supporting videos. ...

Interactive

Field guide to Victorian Fauna - iTunes app

View descriptions of Victorian fauna together with maps of distribution, images and endangered species rating. Animals are grouped by mammals, reptiles, fishes, amphibians, birds or insects and other invertebrates. Info pages include images and animal sounds. Free when reviewed on 12/5/2015.

Video

Catalyst: Coorong salinity

Imagine the mighty Murray River as it flows through South Australia and reaches the sea. Explore the consequences of drought and human activity while listening to Graham Phillips describe the effects of the Coorong's increasing salinity and the the associated threat to Adelaide's supply of fresh water.

Video

Landline: Developing bush tucker into a seed crop

Which native plant might provide a ready-made crop that could be used as a very nutritious food source? Meet two South Australian growers who are investigating just such a native crop. Find out more about the seed crop that does not require significant amounts of water or fertiliser and has a long history of use by Indigenous ...

Video

Growing an organic edible garden

Find out about the roles that earthworms and other animals play in a sustainable organic garden. View this clip called 'Great pizzas', created by young reporters from Willunga Primary School, South Australia. The clip was developed as part of the ABC Splash Live 'Making the news!' project, which featured local sustainability ...

Video

Four Corners: Increasing threat of megafires

Many scientists believe we are already experiencing megafires and that they will continue to increase in the future. In this clip you will hear from Australian scientists at the forefront of fire research. Discover what they have to say about the causes, projections, and consequences of an increased megafire threat.

Video

Four Corners: Megafires

Are we approaching the 'age of megafires'? It might sound like something out of a sci-fi movie, but some scientists believe there is cause for concern. Watch this clip to find out how bushfires as we know them are changing. Discover why.

Video

Restoring a native creek habitat

Discover how a primary school is working with local environmental groups to clean up the local creek and promote the return of native animals. View this clip called 'A fishy story!', created by young reporters from Willunga Primary School, South Australia. The clip was developed as part of the ABC Splash Live 'Making the ...

Video

Kids in the Garden, Ep 11: Who are the creatures living in your garden?

See creepy crawly creatures as you've never seen them before. Discover how important wild creatures are to the health of gardens. Find out how you can entice a wide variety of creatures to a garden you know well!

Video

Catalyst: How will fire change the climate?

Considering the impact of a changing climate on the severity and frequency of fires is one thing, but how about the impact of fires on climate? Why does Professor David Bowman describe this scenario as a 'fire spiral'? What are the consequences of a world with fewer forests? As Professor Craig Allen explains, drought and ...

Video

Catalyst: Managing bushfires

To burn or not to burn? Investigate the science behind arguments for and against controlled burn-offs that aim to reduce the risk of bushfires to humans. Listen to the reasons Professor Mark Adams of Sydney University gives for a careful approach to prescribed burning.

Video

The Merri Creek Project

Find out about the native plants and animals found at a local creek, and about introduced plants (weeds) that are impacting this natural habitat. View this clip called 'The Merri Creek Project', created by young reporters from North Fitzroy Primary School, Victoria. The clip was developed as part of the ABC Splash Live ...

Video

Why do mosquito bites itch?

What sounds do mosquitoes makes, and can you find out why those irritating little mosquito bites itch so much? Why do we need mosquitoes? Where do they fit in an ecosystem?

Video

Catalyst: Plants and increased levels of carbon dioxide

We know that most plants use carbon dioxide to make their own food. So what might plants look like in 100 years if carbon dioxide levels continue to increase - will they become enormous and overtake our backyards? View the possible effects of changes in atmospheric carbon dioxide on plants and, in turn, humans and other animals.

Video

Carbon dioxide and greenhouse gases

Have you heard of greenhouse gases? What do you think they are? (The word 'greenhouse' is a big clue!) The delicate balance of greenhouse gases has been affected by the addition of an unprecedented amount of carbon dioxide (CO2) to our atmosphere in the last 150 years. Watch this video to find out how CO2 is being added ...

Video

Sciencey: Will Australia have the last bees on Earth?

Bee populations around the world have started vanishing, in a process known as colony collapse disorder. Scientists have many ideas about what causes colony collapse, including one possible culprit: the varroa mite. Australia is one of the last places on Earth unaffected by varroa. Could this mean that Australia could have ...