Watch a marine worm's tentacles emerge from its tube, exposing mucous traps for food particles
Learn about the feather-duster worm (family Sabellidae) by watching one extend its tentacles to trap food.
Encyclopædia Britannica, Inc.
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Encyclopedia Britannica INC.Being a dwarf planet isn't really a downgrade.
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Encyclopædia Britannica, Inc.Apes have unique personalities and preferences—just like humans.Media Editor: Lee Goldstein
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Encyclopædia Britannica, Inc.Artemis II is sending human organs around the Moon. Why?Media Editor: Lauren Sims
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Encyclopædia Britannica, Inc.Learn about the difference between prokaryotes and eukaryotes.
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Major funding for this expedition was provided by NOAA Ocean Exploration Program and NOAA Vents Program; video clips edited by Bill Chadwick, Oregon State University/NOAATiny pandorae worms (Paralvinella pandorae) living on the white tubes of the larger tube worms near hydrothermal vents of the northeastern Pacific Ocean.
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Encyclopædia Britannica, Inc.Learn what defines an organism and consider two candidates for the title of world's smallest organism—the bacteria Carsonella ruddii and Mycoplasma genitalium.
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© American Chemical Society (A Britannica Publishing Partner)Learn about carbon and how it forms the basis of life.