32,272 免费图片适用于生物学

鱼水下动物野生动物海上生活水西維吉尼亞州洋海洋阿拉斯加州

Juvenile Chinook salmon-1

Dolly Varden-1

T-Rex

野生动物动物

Rainbow Trout

Wolverine

野生动物动物

Biologists search for Fountain Darter

生物学家水

Luxilus chrysocephalus isolepis-6

Biologists search for Fountain Darter-2

生物学家水

Biologists search for Fountain Darter-2

生物学家水

Influenza virus experimentation with eggs. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A scientist using a whole genome DNA sequencer, in order to determine the “DNA fingerprint” of a specific bacterium. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

生物学控制

Blue Tech Background

Four test tubes of bacterial microorganism. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Aquarium fish

Aquarium fish

Transparent Fish Background

Yellow bullhead catfish-1

Pallid Sturgeon-1

Rainbow trout in stream

Biologists search for Fountain Darter-2

生物学家水

Biologists search for Fountain Darter-1

生物学家水

Panama City crayfish-2

生物学水下

Doctor office examination

医疗药物人

Brook trout in Seneca Creek-1

The life cycle

Tidepool Sculpin

Ash Meadows Speckled Dace-2

2 Hand in gloves holds spray bottle.

工具类厨房

1 Hand in gloves holds spray bottle.

工具类载具

Okaloosa darter-5

Dolly Varden-1

Dolly Varden-1

Ash Meadows Amargosa pupfish-3

Dolly Varden-1

Juvenile redbreast sunfish

Candy darter-1

Smallmouth bass-1

Juvenile Chinook salmon-1

Juvenile Chinook salmon-3

Rosyside dace

Dolly Varden-1

Juvenile Dolly Varden-4

Candy darter-1

Juvenile Rainbow trout-2

Plain pocketbook mussel and lure

Brook trout-1

野生动物鱼

Dolly Varden-1

Bocaccio rockfish - Sebastes paucispinis

Okaloosa darter-2

NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) was airborne for almost two hours during its first check flight at Waco, Texas on April 26, 2007.

航空器载具

Yellow and Black Triplefin - Forsterygion flavonigrum

Allegheny Crayfish

Black Finger Crab - Ozius truncatus

Local health centers experimenting with coronavirus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

医疗药物科学

Panama City crayfish-1

Florida applesnail

A photomicrograph of a direct fluorescent antibody (DFA)–stained specimen, revealing the presence of numerous Francisella tularensis coccobacilli. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

电子学细菌

Young brook trout with fall leaves in water-1

Young brook trout with fall leaves in water-1

Morone americana

Smallmouth bass-4

野生动物鱼

Central stoneroller

Grape Leaf

Ladybird

Giant Gourami - Osphronemus goramy

Young bluegill close-up

Sockeye salmon-2

Okaloosa darter-1

Ash Meadows Amargosa pupfish-2

Native american liaison and biologists with sedated black bear

野生动物科学

Sea Anemone Ocellaris Clownfish

aquarium

Suwannee bass nests in a river bank-1

A scientist studying new methods for detecting foodborne bacteria directly from a patient sample. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Close-up of Redbreast Sunfish-2

Ash Meadows Amargosa pupfish-2

Juvenile atlantic salmon

Tropical Fish

Close-up of Redbreast Sunfish-1

Aquarium fish

Young Lake Sturgeon - Acipenser fulvescens

Bull trout-1

Fish Bone 2

Ash Meadows Speckled Dace-1

Brook trout-6

Devils Hole pupfish-2

Mimic shiner-1

Mountain madtom

Dinosaurus

Pterodactyl

Black Crappie - Pomoxis nigromaculatus

野生动物鱼

Ash Meadows Amargosa pupfish-6

Aquarium Fish Tank

野生动物鱼

Ash Meadows Amargosa pupfish-1

Black Carp Juvenile-1

Pathway to the student union

建筑物学生

Biologists search for Fountain Darter-5

Ash Meadows Amargosa pupfish-1

A scientist preparing samples for mass spectrometry in order to determine the presence of a bacterial toxin. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A medical illustration of Clostridioides difficile bacteria, formerly known as Clostridium difficile. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

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