Filter

Safe Search

Only Authentic

Solid/Transparent Backgrounds

Include AI-generated content

License type

Sort by

Media Type

Orientation

Number of people

Age

Ethnicity

Uploaded

Style

ColorMax 3 colors

Do not include these words

Free Bio Stock Photos And Images

1,087,879 matches

Microbiology backgroundFREE

Green tree on tropical nature summer background. ecology and environment concept Stock Photo

Green tree on tropical nature summer background. ecology and environment conceptFREE

A microscopeFREE

Blood vessel and neuron cell Stock Photo

Blood vessel and neuron cellFREE

MicroscopeFREE

3d rendering of cosmetic products with eucalyptus leaves on blue backgroundFREE

Science lettering designFREE

MicroscopeFREE

Neuron cellFREE

Microbiology backgroundFREE

Concept of the evolution of human dna in the distant future. generative ai.PLUS

Go green iconFREE

Leaves shaped into a butterflyFREE

Animal cellFREE

Abstract 3d rendering of chaotic particles. futuristic background with dynamic particles.FREE

Leaf logo design vector for nature symbol template editable,green leaf logo ecology nature element vector icon.FREE

3d illustration of dna structure in abstract background. 3d renderingFREE

3d illustration of abstract geometric composition with molecule and particles in spaceFREE

Neuron cells close up 3d render. synapses and axones transmitting electrical signals. generative ai.PLUS

3d illustration of abstract geometric composition,digital art works. 3d rendering. Stock Photo

3d illustration of abstract geometric composition,digital art works. 3d rendering.FREE

Green tea leaves with water splash isolated on white background. 3d illustrationFREE

Green tea leaves with splashes and drops of water. vector illustration.FREE

3d illustration of magic potion in bottle with ice and snow on dark backgroundFREE

Cancer cell or tumor illustration in high detail as a medical science background Stock Photo

Cancer cell or tumor illustration in high detail as a medical science backgroundFREE

Hands with leavesFREE

3d illustration of virus in abstract background,digital art works. Stock Photo

3d illustration of virus in abstract background,digital art works.FREE

3d illustration of abstract geometric composition,digital art works. computer generated graphics.FREE

Human nerve cell on a dark background. 3d rendering. computer digital drawing.FREE

Cancer cell or tumor illustration in high detail as a medical science conceptFREE

3d illustration of neuron cell,digital art works. computer generated image.FREE

Generative ai, macro fresh kiwi textured backgroundFREE

3d illustration of test tubes with colorful liquids in the dark backgroundFREE

3d illustration of virus in abstract background. bacteria and germsFREE

Coronavirus 2019-ncov. 3d illustrationFREE

3d illustration of atom with nucleus and electrons on dark background.FREE

Science background illustration, scientific design. flasks, glass and chemistry, physics elements. generative ai. Stock Photo

Science background illustration, scientific design. flasks, glass and chemistry, physics elements. generative ai.PLUS

Human skeletonFREE

Human body anatomy for medical concept. 3d illustration.FREE

3d illustration of petri dishes with plants and flowers on blue backgroundFREE

World environment day june 5PLUS

Green water splash with green leaves and splashes. vector illustration.FREE

Hand holding tree on blur green nature background. green environment earth day concept.PLUS

Generative ai, macro human open eye of nature with leaves, fantasy photorealistic horizontal illustration. ecology, save nature and environment conceptPLUS

Earth's day. eco friendly concept. world environment day background. generative aiPLUS

Neuron cell, nerve cell, 3d render, computer generatedFREE

Coronavirus 2019-ncov. 3d renderFREE

Background with an abstract dna double helix Stock Photo

Background with an abstract dna double helixPLUS

Laboratory glassware with chemical liquid. 3d render illustration.FREE

Green eco friendly lightbulb from fresh leaves top view, concept of renewable energy and sustainable living earth day the importance of loving naturePLUS

3d rendering of virus cells with glowing particles in empty space.FREE

Green eco friendly lightbulb from fresh leaves top view, concept of renewable energy and sustainable living earth day the importance of loving naturePLUS

MicroscopeFREE

Green eco friendly lightbulb from fresh leaves top view, concept of renewable energy and sustainable living earth day the importance of loving naturePLUS

3d render of spermatozoons in the form of a flowerFREE

Coronavirus 2019-ncov. 3d render.FREE

3d render of dna structure on black background with colorful particlesFREE

Number eight made of green leaves and flowers isolated on white background. 3d illustration.FREE

Green eco friendly lightbulb from fresh leaves top view, concept of renewable energy and sustainable living earth day the importance of loving naturePLUS

Chloroplast cellFREE

3d rendering of dna structure in abstract background with bokehFREE

NeuronsFREE

Anatomy of human body and skeleton. 3d illustration. Stock Photo

Anatomy of human body and skeleton. 3d illustration.FREE

3d rendered illustration of a brain cell. brain cell closeup Stock Photo

3d rendered illustration of a brain cell. brain cell closeupFREE

3d rendering - virus cells in blue background, computer generated imagesFREE

World environment day june 5PLUS

OvumFREE

Green eco friendly lightbulb from fresh leaves top view, concept of renewable energy and sustainable living earth day the importance of loving naturePLUS

World environment day june 5 Stock Photo

World environment day june 5PLUS

Anatomy of chloroplastFREE

Polluted river by the factory Stock Photo

Polluted river by the factoryFREE

Generic atomic planetary modelFREE

Sustainable media. eco wooden tv and green plant on green backgroundPLUS

Intestinal cellsFREE

3d illustration dna structure in blue and black background. 3d renderingFREE

3d rendering of brain cell with neurons and nervous system, computer digital background Stock Photo

3d rendering of brain cell with neurons and nervous system, computer digital backgroundFREE

Test tubesFREE

A set of human cellsFREE

Green eco friendly lightbulb from fresh leaves top view, concept of renewable energy and sustainable living earth day the importance of loving naturePLUS

Tree logo icon vector illustration design.vector silhouette of a tree templates of tree logo and roots tree of life design illustrationFREE

Golgi apparatusFREE

Laboratory glassware with colorful liquids. 3d render illustration.FREE

3d rendering of abstract technology concept with dna molecules on dark backgroundFREE

Mushroom, fungus, nature, autumn, toxic, fall, poisonous, forest, natural, dangerous, fungal, macro, wood, woodland, plant, season, biology, woods, plants, fungi, grassFREE

MitochondriaFREE

Human heart. 3d illustration. 3d cg. high resolution.FREE

3d render, abstract background with green and red cells, 3d illustration Stock Photo

3d render, abstract background with green and red cells, 3d illustrationFREE

Green eco friendly lightbulb from fresh leaves top view, concept of renewable energy and sustainable living earth day the importance of loving naturePLUS