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Invertebrates
Animals having no backbone or spinal column, such as insects, mollusks, crustaceans, worms, and similar organisms.
Subtopics:
Arthropods (31 items)
Bryozoans and brachiopods (1 items)
Coelenterates (8 items)
Conodonts (2 items)
Echinoderms (2 items)
Mollusks (11 items)
Sponges (2 items)
Worms (3 items)
Tunicates (2 items)
Related topics:


Results 41 - 47 of 47 listed by similarity [list alphabetically]
Salinity variation in an estuary used for oyster cultivation in southeastern North Carolina during the passover of the eye of Hurricane Bertha [New Window]
Review of a study monitoring changes in salinity in Alligator Bay, NC during a 1996 hurricane due to the influx of fresh and saltwater and the effect it would have on oyster aquaculture.
Salvinia molesta, Salvinia weevil, Salvinia minima [New Window]
Life history and identification of Salvinia species, a floating, rootless tree fern and a noxious aquatic weed. Site includes posters, instructions on submitting sightings, how to subscribe to a listserv on the weed, and a bibliography.
Stoneflies of the United States [New Window]
Links to checklists and species maps showing the distribution of stoneflies in the United States with links to other information websites on stoneflies and reference list.
Tiger beetles of the United States [New Window]
Links to checklists and species maps showing the distribution of tiger beetles in the United States with links to photographs, other information websites on invertebrates, and reference list.
PDF Toxicity and bioavailability of metals in the Missouri River adjacent to a lead refinery [New Window]
Report (PDF format) on an evaluation of the potential environmental impacts of contaminated ground water from a metals refinery adjacent to the Missouri River in Omaha, Nebraska testing water and sediments for contaminants and toxicity.
West Nile virus [New Window]
Informational site provides links to data, news updates, information, and maps related to outbreaks of the West Nile virus and mosquito-borne encephalitis in the United States.
Whales and walrus: tillers of the seafloor [New Window]
Report on sea floor marks in the Northeast Bering Sea and Chukchi Sea that were identified as pits and furrows caused by whales and walruses in the process of feeding on bottom crustaceans.
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