32,272 免费图片适用于生物学

水下鱼海上生活海洋动物水洋野生动物旅行海

Bluegill on nest-3

Bluegill on nest-1

Bluegill on nest-1

Redbreast sunfish-1

Ash Meadows Amargosa pupfish

Bluegill swims in foreground

Baobab

Redear sunfish-1

Brook trout-3

Pharmaceutical Drug

医疗药物药品

Dachshund with eyeglasses

Slimy sculpin-2

A medical illustration of drug–resistant, nontyphoidal, Salmonella sp. bacteria. 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 drug–resistant, Mycoplasma genitalium bacteria. 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”.

Tiger

Slimy sculpin-1

Brook trout-1

Chinook salmon migrating-3

Bluegill on nest-1

Rainbow trout-7

Bluegill on nest-1

Brook trout in Seneca Creek-4

Redbreast Sunfish school with other species of sunfish

Lemur

Sea turtle swims in sea water

Neuron

神经元健康

Gila trout-4

Test Tubes from experimenting on 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”.

医疗药物细菌

Juvenile Chinook salmon-1

Striped mullet school swims over vegetation-3

Frog Green

Pill use

医疗药物药品

Brook trout-1

leaf

leaf

Leaf

leaf

leaf

Leaf

Green Background of Leaf

Leaves

Flower Pot

A 3D graphical representation of a number of Rotavirus virions, set against a black background. 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”.

Fish Coy

Red Fish with Big eyes

Male bowfin hides in vegetation-2

Juvenile Chinook salmon-2

Redbreast sunfish-1

Eye of a Bluegill

Hospital Building

建筑物医学

Slimy sculpin-1

Sockeye Salmon-1

Group A Streptococcus (GAS), Streptococcus pyogenes bacteria, which were atop the surface of a human white blood cell (WBC), known as a neutrophil. 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”.

Dna Gene

Dimorphodon dinosaur

爬行动物动物

Spinosaurus dinosaur

爬行动物动物

Pteranodon dinosaur

爬行动物动物

Microraptor dinosaur

爬行动物动物

Medicines Health Tablets

医疗药物科学

Pachycephalosaurus dinosaur

爬行动物动物

Scientist testing with virus through test tubes. 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

White grey shark jaws close up portrait

Three test tubes used in a Legionella pneumophila bacteria detection test. 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”.

leaf

leaf

leaf

Green Floral Leaves

Green Macro Leaf

leaves

leaf

leaf

Fossil of dinosaur footprint

A technician placing the repackaged influenza samples into a cold–storage environment within the laboratory setting. 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”.

Novel Coronavirus SARS-CoV-2–This scanning electron microscope image shows SARS-CoV-2—also known as 2019-nCoV, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

显微镜健康

Biologist monitors aquatic plants-2

Redbreast sunfish-2

Bluegill on nest-2

A 3D image of a number of oblong–shaped, Vibrio parahaemolyticus bacteria 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”.

Bluegill on nest-1

Bluegill on nest-2

Bluegill on nest-4

Strange looking white fish with black spots

Dolly Varden -1

Brook trout-3

Brook trout-4

Chinook salmon migrating-4

Several bluegills

Largemouth bass in vegetation

Chinook salmon-1

Chinook salmon-5

Redear sunfish school with other species of sunfish-1

Chinook salmon-1

Sockeye Salmon-2

Bluegill and Redear sunfish

Turtle Dove

Muscle

医疗药物科学

Tropical Fish

Frog Animal

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