Title rated 3.85 out of 5 stars, based on 22 ratings(22 ratings)
DVD, 2003
Current format, DVD, 2003, , Available .
DVD, 2003
Current format, DVD, 2003, , Available . Offered in 0 more formats
Bill goes underwater to talk about ocean ecosystems and the importance of small organisms such as coral, kelp, and plankton. Amazingly, these latter organisms are the food of huge whales, which gather them by straining thousands of tons of sea water through their mouths.
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