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5 July 2009
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Science & Nature: Animals: Sea life

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You are here: BBC > Science & Nature > Animals > Sea Life > Blue Planet Challenge
Introduction What you'll explore Master the challenge Take it further
Coral reefs are home to nearly a million marine species, but you don’t need to know about all of them for this challenge!

We’ve selected a few to give you a taste of the variety of creatures that make coral reefs their home.

Species Factfiles
Look through the species files to find out more about some of the creatures that you will encounter on your tropical reef, from tiny coral polyps to the whale shark - the biggest fish in the sea.

Infobursts Infobursts
Discover how plants and animals are all interconnected in food chains and intricate food webs, and explore the processes that make life possible.




Now you have all the information that you’ll need in order to take the challenge. Come this way to explore the Web of Life.

Life began in the seas around to 3.4 billion years ago. Relative newcomers, land dwellers appeared only 400 million years ago.




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