32,272 免费图片适用于生物学

水下鱼动物海洋海上生活水洋海性质植物

A 440X photomicrograph magnification of a hematoxylin and eosin (H&E)–stained liver tissue specimen, revealed the presence of cytoarchitectural changes indicative of fatty degeneration. 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”.

实验室细菌

A 3D graphical representation of a number of norovirus 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”.

MERS Coronavirus Particles–Colorized scanning electron micrograph of MERS virus particles (yellow) both budding and attached to the surface of infected VERO E6 cells (blue). 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”.

显微镜藍色

Biologist searches for freshwater mussels

Bluegill on nest

Biologists search for Fountain Darter-1

Hospital Building

建筑物建筑

Fern foliage -7

California halibut - Paralichthys californicus

Red Tailed Catfish swimming in water -- Phractocephalus hemioliopterus

Alewife-2

Angel Fish Tank

Chipmunk

野生动物动物

Tropical Fish

Triceratops Dinosaur Skull

Plant Growth

Leaves

Greenery green space crops

A medical illustration of drug–resistant, Neisseria gonorrhoeae 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”.

South America

南美洲大洲

Tree Frog

伶盜龍

Silly looking yellow fish

Fish Reflection Water Tank

beautiful bee sucking the juicy nectar

Fish 2

Medical Doctor

医疗药物臉

Videographer interviews biologist

Videographer interviews biologist-1

White-tipped reef sharks, Tern Island

Redear sunfish

Ash Meadows Amargosa pupfish-1

Alewife-2

Bass Fish

(Joel) Medical doctor is holding laboratory flask

Seedlings Growing

Fly

Tylosaurus dinosaur

爬行动物动物

Coral Water Tank Fish

Stethoscope

医疗药物工具类

Sea turtle release after the cold weather.

Shipwrecked ruins in the Bahamas

Stegosaurus dinosaur

爬行动物动物

Chinook salmon migrating-2

Chinook salmon migrating-1

Alewife-3

Bluegill on nest-1

Redear sunfish school with other species of sunfish

Tapejara dinosaur

爬行动物动物

Green Stegosaurus Walking

Hospital Building

建筑物建筑

Leaf

Tylosaurus dinosaur

爬行动物恐龙

Anglerfish

Close up of lady's slipper orchid Paphiopedilum

Close up of lady's slipper orchid Paphiopedilum

Pill in a hand

医疗药物药品

Iguanodon dinosaur

爬行动物动物

Cream Colored Fish

Panda

Parasaurolophus dinosaur

爬行动物动物

Willow

Ladybug

毛毛虫瓢虫

Dinosaur

Biologist monitors aquatic plants-2

A scientist demonstrating a lab technique called “candling,” which determines if the egg is suitable for use in growing flu viruses. 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”.

Biologists search for Fountain Darter-1

Long-Billed curlew

Laboratory technician working with a cell culture solution, using a syringe to add some of the sample to a glass bottle. A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. 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

leaves

leaves

Coneflower

Green Herb Leaves

Green Herb Leaves

Fresh Green Lettuce

Leaves

leaves

Sand Shell

生物学海洋

Cosmos on Pink

生物学背景

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”.

Biologists search for Fountain Darter-1

Close up of lady's slipper orchid Paphiopedilum

Giant Panda is Hiking

徒步旅行熊猫

cute little fish in an aquarium

Lionfish swimming in the Aquarium

Sockeye Salmon-1

Chinook salmon-1

Alewife-1

Child playing with pet

Styracosaurus dinosaur

爬行动物动物

Compsognathus dinosaur

爬行动物动物

Hospital Building

建筑物建筑

Hospital Building

建筑物建筑

FWS divers search for salamanders in Spring Lake-2

Florida bluegill

Dead salmon on Russian River

Brook trout in Seneca Creek-5

Sockeye Salmon-1

Sockeye Salmon-1

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