• Introduction - Write an illustration on
interdependence of plants and animals.
• Explain food chain with the help of an example or
a flowchart.
• Explain the effect of extinction of an organism on
food chain with a suitable example.
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Answer:
food chain is in digestive system
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Answer:
Look at the following examples of populations.
Answer the questions which follow.
http://www.flickr.com/photos/amanderson/4686389576/
A population of hippos in the St Lucia estuary (river mouth) in Kwa-Zulu Natal. http://www.flickr.com/photos/amanderson/4686389576/
http://www.flickr.com/photos/amanderson/4685773273/
A population of zebra in Kruger National Park. http://www.flickr.com/photos/amanderson/4685773273/
A population of seals on Seal Island in False Bay.
A population of penguins at Bouldm
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