worm-like particles

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• Velvet worm — Taxobox name = Onychophora fossil range = Cambrian – Recent image width = 250px image caption = Velvet worm regnum = Animalia phylum = Onychophora phylum authority = Grube, 1853 subdivision ranks = Extant families subdivision = Peripatidae… …   Wikipedia

• Acorn worm — Taxobox name = Enteropneusta regnum = Animalia phylum = Hemichordata classis = Enteropneusta subdivision ranks = Families subdivision = Harrimaniidae Protoglossidae Ptychoderidae Saxipendiidae Spengelidae Torquaratoridae The Acorn worms or… …   Wikipedia

• Pigbutt worm — Scientific classification Kingdom: Animalia Phylum: Annelida Class: Polychaeta …   Wikipedia

• Grain worm — Grain Grain (gr[=a]n), n. [F. grain, L. granum, grain, seed, small kernel, small particle. See {Corn}, and cf. {Garner}, n., {Garnet}, {Gram} the chick pea, {Granule}, {Kernel.}] [1913 Webster] 1. A single small hard seed; a kernel, especially of …   The Collaborative International Dictionary of English

• acorn worm — any of several burrowing, often brilliantly colored hemichordates of the class Enteropneusta, usually found in intertidal sand and mud, having an acorn shaped proboscis and collar. Also, acornworm. [1885 90] * * * ▪ hemichordate also called… …   Universalium

• Mollusca — Temporal range: Cambrian–Recent …   Wikipedia

• Onychophora — Temporal range: 40–0 Ma …   Wikipedia

• Largest organisms — The largest organism found on earth can be measured using a variety of methods. It could be defined as the largest by volume, mass, height, or length. Some creatures group together to form a superorganism, though this cannot truly be classed as… …   Wikipedia

• Nucleic acid double helix — Double helix redirects here. For other uses, see Double helix (disambiguation). Two complementary regions of nucleic acid molecules will bind and form a double helical structure held together by base pairs. In molecular biology, the term double… …   Wikipedia

• Arthropod — Temporal range: 540–0 Ma …   Wikipedia

• Mechanical properties of DNA — The mechanical properties of DNA, which are directly related to its structure, are a significant problem for cells. Every process which binds or reads DNA is able to use or modify the mechanical properties of DNA for purposes of recognition,… …   Wikipedia