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Listed under:  Science  >  Life  >  Ecosystems
Image

Simple ecosystem diagram

  • TLF-IDM008781

This is a colour graphic representing the energy and nutrient flow in a simple food chain. The Sun and organisms making up the food chain are represented in diagrammatic form. The graphic is labelled and a key to the colour-coding of energy and nutrient flows is included.

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Moving Image

Declining forests of Giant Kelp

  • TLF-IDM017406

Imagine diving between giant kelp that reach more than 30 metres from the bottom of the ocean to the surface. The east coast of Tasmania is one of the few places in the world where these underwater forests exist. But how much longer will they survive? Watch this clip to find out why these magnificent ecosystems are disappearing ...

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Image

Marine trophic pyramid

  • TLF-IDM008770

This image displays a type of diagram known as a trophic (or ecological) pyramid. This example depicts the organisms and the matter and energy flows in a typical marine ecosystem. The diagram shows six levels of organisms from primary producers through to the top carnivores, arranged in a pyramid. Also represented is the ...

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Interactive Resource

The virtual ecosystem

  • TLF-IDM009240

This interactive learning activity consists of a virtual ecosystem model that introduces the idea that all living things compete for food. Students can complete two game-like experiments to investigate the need an individual rabbit has for grass and then compare the needs of an individual rabbit to the needs of a population ...

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Interactive Resource

Environmental forensics at sea

  • TLF-IDM008903

The main screen shows a marine environment and research boat against a background of coastal hills and a fiord. There are two entry points for investigation: Phytoplankton clues and Sediment cores, containing five interviews with a scientist explaining how science investigations can be used as a forensic tool to investigate ...

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Collection

Teaching ideas: ecosystems

  • TLF-IDR12039

This collection, containing 26 digital curriculum resources, allows students to explore aspects of the flow of energy and matter in ecosystems. The resources comprise teaching sequences, units, worksheets, videos, podcasts and a card game. A variety of contexts is provided to allow students to investigate relationships ...

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Interactive Resource

Experiment with ecosystems

  • TLF-IDM009241

This interactive learning activity consists of a series of virtual ecosystem models for exploring the interrelationships within food webs. Students can complete two experiments to test hypotheses about producer-consumer and predator-prey relationships. The activity is supported by a 'Lab book' in which students can view ...

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Moving Image

Saving the Mountain Pygmy-possum

  • TLF-IDM017555

Discover the tiny Mountain Pygmy-possum and find out what scientists are doing to try to save it from extinction. Learn about the possum and why it is endangered, and watch some research being conducted out in the field and in a laboratory. The clip includes footage of this rare and endangered native Australian animal in the wild.

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Image

Tuna sandwich trophic pyramid

  • TLF-IDM008772

This image is a diagram known as a trophic pyramid. This example shows the levels of an ecosystem that support the growth of tuna, which might be consumed by a human in a tuna sandwich. The diagram shows six levels in the 'pyramid' from phytoplankton through to humans, and visually depicts the size of the biomass at each ...

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Moving Image

Management of the northern savanna

  • TLF-IDM015391

Around the world, tropical savannas are in serious trouble. This clip from 2007 explores the use of Aboriginal technology for sustainable management of the environment in Australia's huge northern tropical savanna. Hear from two environmental scientists why traditional fire-management practices may reduce the incidence ...

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Moving Image

Polar bear survival

  • TLF-IDM016023

Do you know what is threatening the survival of the world's largest land carnivore? Watch this clip of a polar bear as it moves across the Arctic ice, and find out about what is happening in its icy world. The World Wildlife Fund's Margaret Williams explains the feeding habits and adaptations of the polar bear, and identifies ...

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Moving Image

Prehistoric Wollemi Pine discovered

  • TLF-IDM018539

The 1994 discovery of the Wollemi Pine in the Blue Mountains was a momentous event, but the story doesn't end there. This ancient 'living fossil' species is millions of years old but was on the brink of extinction. Watch this clip to explore the remote canyon environments where it grows and find out about the remarkable ...

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Teacher resource

Photosynthesis and respiration: teacher resource

  • TLF-IDR11828

This teacher resource provides a range of possible activities that cover aspects of the science continuum for the flow of energy and flow of matter in an ecosystem. This teaching resource provides a range of classroom activities that explore the concept of the flow of energy and flow of matter in an ecosystem, specifically ...

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Teacher resource

Photosynthesis and respiration: learning sequence

  • TLF-IDR11902

This learning sequence introduces photosynthesis and respiration. Students explore the roles of photosynthesis and respiration. They compare the differences between these two processes. They explain how energy moves through an ecosystem and some implications of the carbon cycle.

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Moving Image

New Zealand's marine environment

  • TLF-IDM008889

This is a colour video clip of a marine scientist, Dr Candida Savage, discussing the large variety of different habitats within New Zealand's marine environment. Dr Savage is a teacher and researcher at the University of Otago, New Zealand.

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Interactive Resource

Marine ecosystem

  • TLF-IDM008904

This is an interactive diagram of a New Zealand marine ecosystem. Selecting labels brings up a small screen with text and an image or a video. The interactive examines a simplified marine food web looking at the most significant components.

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Moving Image

Carbon capture and storage

  • TLF-IDM015870

Is carbon capture and storage (CCS) the solution to climate change? CCS technology captures carbon dioxide from the flue gases of coal burning power plants and takes it to long-term storage. The coal industry has high hopes that pumping the liquefied gas into underground reservoirs, or geo-sequestration, will provide safe ...

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StillImage

Eltham copper butterfly

  • TLF-IDM002144

This is an information sheet on the Eltham copper butterfly ('Paralucia pyrodiscus lucida') with description, distribution, habitat, host plants and images. The information sheet is available as a PDF for download.

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Moving Image

Murray River crayfish

  • TLF-IDM017511

What is a 'baited remote underwater video station'? Often the most innovative scientific research is used to identify living things under the threat of extinction. Watch this clip to learn more about the shy but curious Murray River crayfish and the scientists intent on ensuring its survival.

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Moving Image

An island where warm waters meet cool

  • TLF-IDM018538

Lord Howe Island lies off the east coast of Australia where warm, tropical seas meet cool currents from the south. Here, a mix of fish suited to warmer waters live together with fish suited to the cooler southern waters. Lord Howe Island has many reasons to be protected, such as being home to the world's most southern coral ...

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