Aquatic

... record shows that early whales had rear legs, and special traits found today only in even-tooled ungulates. They were in the beginning only semi-aquatic, then fully aquatic, and then evolved to live in the deep oceans. Early whales all have teeth, not baleen. Baleen was a fairly recent adaption.

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I do one with Elodea leaves and saturated salt solutions that works pretty well. The fresh-water aquatic cells are very permeable to water but not so much to the ions, so the cells shrink from osmotic loss. It's simple, easy to set up and for the students to see, and I ...

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They're from a group that's almost exclusively aquatic and/or parasitic, and includes the flukes and tapeworms. http://silverfishattack.blogspot.com/2009/01/terrestrial-planarians.html

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thanks alex, does anyone else have anything that I could incorporate into my report?

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... kerotene, and xanthophyll but one of the questions in the discussion is asinkg me what is expected in the absorption spectra if you were to use an aquatic plant instead of a spinach leaf. Can anyone tell me what would be expected or lead me in the right path with a link, article, or some hints? ...

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