spider wiki:
orphae">Araneomorphae Mesothelae Mygalomorphae See the taxonomy section for families Spiders are invertebrate animals that produce silk, have eight legs and no wings. More precisely, a spider is any member of the arachnid order Araneae, an order divided into three sub-orders in newer systems: the Mygalomorphae (the primitive spiders), the Araneomorphae (the modern spiders) and the Mesothelae, which contains the Family Liphistiidae, rarely seen burrowing spiders from Asia. The study of spiders is known as arachnology, although it is often included in the more general term entomology.
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animal wiki:
>For the Muppet Show character, see Animal (Muppet). For the professional wrestler, see Joseph Laurinaitis. Porifera (sponges)Ctenophora (comb jellies)Cnidaria (coral, jellyfish, anenomes)Placozoa (trichoplax)Subregnum Bilateria (bilateral symmetry)Acoelomorpha (basal)Orthonectida (flatworms, echinoderms, etc.)Rhombozoa (dicyemids)Myxozoa (slime animals) Superphylum Deuterostomia (blastopore becomes anus)Chordata (vertebrates, etc.)Hemichordata (acorn worms)Echinodermata (starfish, urchins)Chaetognatha (arrow worms)Superphylum Ecdysozoa (shed exoskeleton)Kinorhyncha (mud dragons)LoriciferaPriapulida (priapulid worms)Nematoda (roundworms)Nematomorpha (horsehair worms)Onychophora (velvet worms)Tardigrada (water bears)Arthropoda (insects, etc.)Superphylum PlatyzoaPlatyhelminthes (flatworms)Gastrotricha (gastrotrichs)Rotifera (rotifers)Acanthocephala (acanthocephalans)Gnathostomulida (jaw worms)Micrognathozoa (limnognathia)Cycliophora (pandora)Superphylum Lophotrochozoa (trochophore larvae / lophophores)Sipuncula (peanut worms)Nemertea (ribbon worms)Phoronida (horseshoe worms)Ectoprocta (moss animals)Entoprocta (goblet worms)Brachiopoda (brachipods)Mollusca (mollusks)Annelida (segmented worms) Animals are a major group of organisms, classified as the kingdom Animalia or Metazoa. In general they are multicellular, capable of locomotion and responsive to their environment, and feed by consuming other organisms. Their body plan becomes fixed as they develop, usually early on in their development as embryos, although some undergo a process of metamorphosis later on. Human beings are classified as members of the animal kingdom.
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