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Listed under:  Science  >  Life  >  Ecosystems  >  Food webs  >  Food chains
Video

Understanding food webs

This is a colour video clip in which ecologist Associate Professor Stephen Wing of the University of Otago talks about the importance of understanding food webs, particularly in marine ecosystems. He gives examples of how such understanding has been applied in Fiordland, New Zealand. Still images shown include marine organisms, ...

Video

Role of sea stars

This is a colour video clip in which marine biologist Dr Miles Lamare of the University of Otago talks about the feeding behaviour and ecological niche of sea stars. It shows stills of sea stars and other echinoderms as well as video sequences showing the tube feet of a sea star and Dr Lamare at work.

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!

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Pet Superstars: Alpacas: No hump but spits like a camel

Meet Kai the alpaca, an animal that is a bit like a camel. Listen as Cassandra talks about the alpaca's fleece (body covering), how it lives in herds and what it eats. See the two types of alpaca breed: Huacaya and Suri. How are they different? The clue is in their fleece.

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Gardening Australia: Growing vegetables and natives

Discover what vegetables the students at Swan Valley Anglican School choose to grow first in their new school garden. In this clip, Josh Byrne is helping students to transform a bare patch of ground into a productive garden. Find out about the landscaping materials they use, and why particular plants, including natives, ...