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Listed under:  Science  >  Life  >  Ecosystems  >  Food webs
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Habitats

Students use this resource consisting of four slides with diagrams, written explanation and voice-over to understand the relationship between habitat and ecosystem and important factors in some habitats. There is a two-question quiz and a summary slide.

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Giant Cuttlefish

This 12 minute video segment from Catalyst outlines the fascinating and unique features of the giant cuttlefish and its mass breeding at Point Lowly. Then it explains how scientists have determined the vulnerability of this species- the fact that the eggs are sensitive to high levels of salinity and the fact that they die ...

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Argo floats

This minute video segment from Catalyst decade ago describes the Australian initiative, Argo, that has become a major international collaborative project to look at the world's oceans and help understand processes at depth - monitoring the pulse of the global heat balance and giving us vital information on the ocean's role ...

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Rabbit immunity

This 6 minute video segment from Catalyst covers a range of biological concepts associated with the history, impacts and methods of control of the introduced rabbit in Australia.

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Ngan'gi seasons calendar

This is a seasonal calendar developed by the Ngan’gi people of the Northern Territory in collaboboration with CSIRO. The resource contains an introduction, a richly illustrated calendar and related links. The introduction includes information about the people’s wish to document traditional knowledge of their Daly River ...

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Artificial shark birth

A five and a half minute video segment from Catalyst that explains why Grey Nurse Sharks are in danger, especially on Australia's east coast where only a few hundred individuals are thought to exist. However, in a world first, researchers at the NSW Department of Primary Industries have built an artificial uterus, which ...

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Science under the microscope

A student-focused mobile web application that tests students? knowledge of the NSW Science curriculum. It will reuse videos and other components of 2010 Murder under the Microscope (Shockwave on the Shoreline) to provide a series of clues that unfold as the student answers science questions correctly. After receiving all ...

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Borneo Live Reef Fish Trade

This nearly 13 minute video segment from Catalyst explains how Fisheries scientists warn that if fishing around the world continues at its current pace, more and more species will vanish. The coral triangle is one particular area where biodiversity is at risk, and the top predator appears to be humans.

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Studying Habitats

Students use this resource consisting of four slides with diagrams, written explanation and voice-over to understand the type of observations and measurements that need to be made when studying an ecosystem. There is a two-question quiz and a summary slide.

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Sunfish seekers

This ABC In Depth feature article is an interesting and lengthy account of this highly unusual fish and the reason it is threatened, despite its enormous reproductive capacity. Issues with difficulty in tracking these animals and the need for further research are explained.

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Interdependence

Students use this resource consisting of eight slides with diagrams, written explanation and voice-over to understand what is a community and how different organisms within a community depend on each other for their survival. There is a two-question quiz and a summary slide.

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Rob Harcourt

This 6 minute video segment from Catalyst highlights a number of diverse investigations that are part of the work of a marine biologist. It uses an incredible collection of photographs to inform and inspire people about conservation.

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Coal Gas

This 12 minute video segment from Catalyst outlines how for decades, scientists have worked to develop technologies that can unlock the energy from coal while reducing the risks of digging it up and burning it. Now entirely new industries are booming as they tap into coal seams either too gassy or too deep to be mined by ...

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Weedy Seadragons

This five and a half minute video segment from Catalyst demonstrates how tagging is being used to study populations of sea dragons. The Weedy Seadragon is one of the most visually striking creatures in the sea but we still have a lot to learn about them.

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Water recycling

This 11 minute video segment from Catalyst provides an excellent explanation of the processes involved in recycling sewage for an urban water supply. It also provides a range of opinions and concerns in an excellent debate on the topic.

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Dengue Mozzie

This nine and a half minute video segment from Catalyst is an excellent example of current Australian science, the use of biological controls on a pest and modern techniques and approaches to fighting the spread of human disease.

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Sites2See: What is climate change?

A page to address the question What is climate change? from the definition, to the Intergovernmental Panel on Climate Change (IPCC) as the foremost authority, and selected links covering aspects of that question with games, graphics, activities, information sites, resource packs and video interviews, for teachers and students. ...

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Science Talk 2007: Tim Entwistle

An interview and tour of the Royal Botanic Gardens of Sydney and its herbarium with Dr Tim Entwistle, a plant scientist and the NSW Government Botanist. Tim talks to a pre-service teacher from Macquarie University about his love of plants, in particular freshwater algae. In the herbarium we find out why it is so important ...

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Too cold for cane toads

A new study reported in this video segment has looked at how temperatures impact cane toad movement and has aided in the development of a model that indicates that their geographical spread is limited. An excellent example of the use of mathematical modelling in scientific research and how scientists have tried to address ...

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Carbon country update

This five and a half minute video segment from Catalyst discusses the potential to manage controlled burning in Arnhem that reduces frequency of wildfires to provide other benefits. The potential to turn this into economic benefits from carbon trading is explored and the science investigations that will first be essential.