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Invertebrates
Animals having no backbone or spinal column, such as insects, mollusks, crustaceans, worms, and similar organisms.
Subtopics:
Arthropods (32 items)
Bryozoans and brachiopods (1 items)
Coelenterates (13 items)
Conodonts (2 items)
Echinoderms (2 items)
Mollusks (14 items)
Sponges (2 items)
Tunicates (2 items)
Worms (2 items)
Related topics:


Results 41 - 50 of 63 listed by similarity [list alphabetically]
Nonindigenous tunicate distribution information [More info]
Descriptions of tunicates and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on tunicates.
North American Pollinator Protection Campaign [More info]
An effort focused on encouraging the health of resident and migratory pollinating animals in North America. USGS participates in the leadership of this effort.
Oculina Bank - geology of a deep-water coral reef habitat off Florida [More info]
Brief report on sidescan sonar data, sediment sampling, and submersible and video photography studies of destruction of deep-water coral pinnacles where fish spawn off east-central Florida in the Oculina Bank in order to restore and protect the habitat.
Paleontological analyses [More info]
Links to USGS capabilities in paleontological analyses of fossils such as mollusks, diatoms, palynomorphs, ostracodes, calcareous nannofossils, etc. Includes descriptive information, technique, equipment, and contacts for each fossil group.
Patuxent Wildlife Research Center monitoring projects [More info]
Biomonitoring projects studying the status and trends of the nation's environmental resources and programs studying amphibians and birds. Links to long-term programs, resources and references, and related links.
PDF Phage therapy for Florida corals? [More info]
Explains how some diseases affecting corals might be countered by viruses that infect disease-causing bacteria.
PDF Plague [More info]
History, pathology, and prospects for this historic disease that is still prevalent in animals and remains a threat to humans.
Pollinators, plants, and prosperity [More info]
Six short news articles about ecological problems faced by pollinator species in various parts of the US. Taken from "People, Land, and Water", the newsletter of the Department of the Interior.
Protecting the Nation's coral reefs [More info]
Report on problems in preserving coral reef ecosystems with links to information on the interagency U.S. Coral Reef Task Force, press releases, reports, and NOAA coral reef sites.
Recent changes in the food web of Lake Erie - the role of phosphorus and zebra mussels [More info]
Brief overview of the proliferation of zebra mussels and the role of phosphorus in Lake Erie with links to publications related to Lake Erie water quality.
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