See the opening and closing of a spring crocus flower
Time-lapse video of a spring crocus (Crocus vernus ‘Purpureus Grandiflorus') flower opening and closing, filmed over a period of two days. The flower opens in response to sunlight and closes when the sun sets or on dark, overcast days.
Video by Neil Bromhall; music Clover Fields by Debbie Wiseman (A Britannica Publishing Partner)
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Encyclopædia Britannica, Inc.The pilot black snake (Elaphe obsoleta) uses its platelike scales to travel with an easy gliding motion.
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Encyclopædia Britannica, Inc.1.4 billion people in India share space with lions, tigers, and bears—oh my!Media Editor: Lauren Sims
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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.Video presentation describing the differences in seed storage between angiosperms and gymnosperms.
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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.Plants have evolved into many diverse forms that define and sustain ecosystems.
