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Thumbnail: Gloved Hand on Blue Field on BestPhotos.US. A simple, inexpensive cellular model system that simulates digestion and nutrient absorption

Gloved Hand on Blue Field

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Thumbnail: Gloved Hands on Green Field on BestPhotos.US. Tissue being placed between two halves of a glass parabiotic chamber.

Gloved Hands on Green Field

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Thumbnail: Researcher in a Soybean Field on BestPhotos.US. An agronomist early maturing variety of soybean plants growing in a flood-irrigated field in Mississippi.

Researcher in a Soybean Field

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Thumbnail: Petri Dishes on BestPhotos.US. The petri dishes below show sterilization effects of negative air ionization on a chamber aerosolized with Salmonella enteritidis. The left sample is untreated; the right, treated.

Petri Dishes

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Thumbnail: Aquatic Biologist Releases a Threatened Goldline Darter Back Into its Natural Habitat on BestPhotos.US.

Aquatic Biologist Releases a Thr…

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Thumbnail: Avian Influenza Sampling Project 2006 on BestPhotos.US. Chris Nicholai recording Brant nest at Tutakoke Bird Camp. Image taken between June 14 - June 20, 2006.

Avian Influenza Sampling Project…

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Thumbnail: Avian Influenza Sampling Project 2006 on BestPhotos.US. Bird swab vial for testing of avian influenza. Bird Lab, Alaska Science Center, Anchorage. This image taken between June 14 - June 20, 2006.

Avian Influenza Sampling Project…

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Thumbnail: Taking Specimen from Dead Bison on BestPhotos.US. Damage to wildlife (Bison - parasites). Big Delta, Alaska. "Bert Babero of United States Public Health Service taking specimen from dead bison (special use permit).

Taking Specimen from Dead Bison

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Thumbnail: Bio-Medical Lab at National Conservation Training Center (NCTC) on BestPhotos.US. Instructor and student working in the Bio-Medical lab on the National Conservation Training Center campus.

Bio-Medical Lab at National Cons…

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Thumbnail: Biologist in Raft During a Fish Population Survey on BestPhotos.US.

Biologist in Raft During a Fish …

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Thumbnail: Biologist tracking Louisiana black bear on BestPhotos.US. U.S. Fish and Wildlife Service employee uses monitoring device to track black bear.

Biologist tracking Louisiana bla…

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Thumbnail: Biologists measuring fish during a population survey on BestPhotos.US.

Biologists measuring fish during…

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Thumbnail: Biologists with tranquilized gray wolf on BestPhotos.US. U.S. Fish and Wildlife Service biologists Mike Jimenez (left) and Ed Bangs (right) take blood samples from a tranquilized wolf after fitting it with a radio collar during collaring operations in Yellowstone National Park May 2003. Higher resolution of this image not available.

Biologists with tranquilized gra…

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Thumbnail: Cackling Canada Goose and Taverner's Goose on BestPhotos.US. Cackling Canada Goose (Top) and Taverner's Goose held by U.S. Fish and Wildlife Service employees.

Cackling Canada Goose and Tavern…

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Thumbnail: Checking tundra bird nest with measuring tools on BestPhotos.US. A black and white photo checking tundra bird nest with measuring tools and recording device.

Checking tundra bird nest with m…

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Thumbnail: Chowiet Island camp data entry on BestPhotos.US.

Chowiet Island camp data entry

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Thumbnail: Chowiet Island Data Collection at Murre Colony on BestPhotos.US. July, 2006

Chowiet Island Data Collection a…

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Thumbnail: Collecting avocet eggs for analysis on BestPhotos.US. Fish and Wildlife Service biologist collects avocet eggs from the nest for selenium analysis.

Collecting avocet eggs for analysis

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Thumbnail: Collecting core samples at Roxanna Marsh on BestPhotos.US. Three men use equipment to take core samples at Roxanna Marsh, Grand Calamut River in Hammond, Indiana as part of a wetland restoration effort and damage assessment process.

Collecting core samples at Roxan…

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Thumbnail: Collecting data on a swan nest on BestPhotos.US. Biological Technician Kate Soetaert enters nest data of a swan nest at Scoter Camp Lakes.

Collecting data on a swan nest

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Thumbnail: Collecting Water Samples, Karluk Lake on BestPhotos.US. Karluk Investigations - 1948. Karluk Lake, Kodiak, Alaska. Collecting water samples for quantitative chemical analysis and collection of plankton for quantitative and qualitative tests. Richard F. Shuman on the right.

Collecting Water Samples, Karluk…

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Thumbnail: Collecting wetland samples on BestPhotos.US. Fish and Wildlife Employee collecting invertebrates contained in wetland samples.

Collecting wetland samples

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Thumbnail: Contaminant analysis on BestPhotos.US. Fish and Wildlife Service worker with cored sediment samples from riverbed for contaminant analysis.

Contaminant analysis

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