See how the petals of a white water lily flower open and fold in on themselves to keep the flower watertight when closed
Time-lapse video, filmed over seven days, of a white water lily flower (Nymphaea odorata), showing how the petals fold in on themselves to keep the flower watertight when closed.
Video by Neil Bromhall; music, Paul Pitman/Musopen.org (A Britannica Publishing Partner)
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Encyclopædia Britannica, Inc.Learn how alpacas (Vicugna pacos) are raised in the Andes Mountains of Peru and Bolivia to be sheared every two years so that the wool can be shipped to cities such as Arequipa, Peru, for processing into fine fabrics.
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Encyclopædia Britannica, Inc.Understanding energy flow in ecosystems.
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Encyclopædia Britannica, Inc.Let's go on a planetary parade.Media Editor: Lauren Sims
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Encyclopædia Britannica, Inc.Some of the basic differences between monocotyledons and eudicotyledons.
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Encyclopædia Britannica, Inc.Plants, ranging from the simple liverwort (a bryophyte) to the flowering plants (angiosperms), have evolved structures enabling them to colonize the land of almost any habitat.
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Encyclopædia Britannica, Inc.Gymnosperms dominated the plant world until they were replaced by the more advanced flowering plants known as angiosperms.
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Encyclopædia Britannica, Inc.Learn about the unusual seed dispersal of the squirting cucumber (Ecballium elaterium).
