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Listed under:  Predation
Interactive

Experiment with ecosystems

This open-ended series of models allows students to experiment with virtual ecosystems and test their hypotheses about producer/consumer and predator/prey relationships. Students have the opportunity to 'think like a scientist', making hypotheses, doing experiments, making observations, and analyzing data. Students are ...

Image

A leopard seal on ice

This is a colour photograph of a leopard seal ('Hydrurga leptonyx') lying on an ice floe. The seal is long and sinuous, and has a small head and a dark grey dorsal surface with a lighter grey underbelly. The seal has recently eaten, and blood from its kill can be seen on the ice.

Interactive

The predator prey relationship

This is an interactive resource about how selection pressure can lead to a change in the characteristics of a population. Students explore the effect of predation on a prey population. At first students explore protective coloration, then how the color of the rabbit population changes as the environment changes over time. ...

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.

Image

Downloading data from animal tags

This is a colour photograph of a scientist in a laboratory using a laptop computer to download data from electronic animal tags. To the right of the computer is a specialised communication box into which the electronic tag is placed. The scientist in the image is Dr Miles Lamare, a marine biologist involved in sea star ...

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, ...

Interactive

The virtual ecosystem

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 ...