1353 free biology photos from Freerange

This image features a high-resolution, 3D rendering close-up of spherical blue bacteria cells with smaller cell structures attached, on a dark background

Human Heart - Anatomical Rendering on Dark Background

Climate Change - Extreme Weather Events - Concept

A close-up of a glowing DNA double helix with a blurred colorful background symbolizing genetic research and biotechnology

Medical Research - Medical Innovation - Medicine - Healthcare - MedTech

Brain Connections - Creativity and Intelligence Concept

Mesh - A Network of Relations Between Entities

Earth with Tree between Hands - Ecology Concept

A close-up image capturing the intricate details of a monkey s ear, offering a glimpse into the creature s delicate features

Close-up science illustration of brain neurons firing as an intelligence concept

Medical Technology Concept - Beating Heart - Cardiology - Healthcare

Education Concept - Learning Concept - With Tree of Knowledge

Climate Change - Extreme Weather - Global Warming

Microscope Closeup at Laboratory

Analog pH meter with electrode, pH 7 and 4 buffers.

A person is seen holding a plant in their hands, carefully cradling it with their fingers. The plant has lush green leaves and delicate stems, creating a contrast against the persons skin.

Medical Technology - MedTech Market - Healthcare

Sneeze shows how far germs and particulates can spread from one person

Specific gravity determination using a pycnometer.

Testing drinking water for E. coli bacteria.

A white fish is shown with a bright red marker clearly visible on its side. The marker contrasts sharply with the fishs scales, making it stand out prominently.

A large group of fish are swimming together over a vibrant coral reef. The fish move gracefully, creating a dynamic scene with their colorful scales contrasting against the reefs textures.

Fixed stained slides of tapeworm sections

Study and Knowledge Concept

Concept of Intelligence with Human Brain on Blue Background

This close-up view showcases the intricate details of a single, vibrant green leaf. The leafs veins, serrated edges, and vibrant hue are clearly visible, accentuating its natural beauty and photosynthetic function.

IVF - In Vitro Fertilization microscopic close-up

A turtle gracefully swims through the crystal-clear waters of the ocean, its flippers propelling it forward as it navigates the deep blue sea.

A reagent bottle containing acetic acid.

Healthcare Professional Analyzing Samples with Microscope

A pink jellyfish calmly drifts in the water, showcasing its delicate tentacles and translucent body as it gracefully moves with the currents.

Drought - Extreme Weather - Climate Change

A yellow fish gracefully moves through the clear blue water, its scales shimmering in the sunlight. The fish propels itself forward with its fins, creating ripples in the water around it.

This warm, sunlight-dappled image shows a small group of mushrooms emerging from the forest floor

This image features a close-up shot of a porous sponge, highlighting the intricate details and unique structure

Lactobacilli bacteria on a microscope slide enlarged x1200

A green turtle gracefully swims in the deep blue ocean, its flippers propelling it forward through the water. The turtles shell glistens under the sunlight as it navigates its marine environment.

Human Heart - Anatomical Rendering

Tropical rainforest scene - Environment, ecology and biology concept

Bottles containing acid and base.

Medical Doctor Studying the Human Body - Concept

Person studying and learning - Knowledge concept

A jellyfish drifts serenely in the ocean, illuminated by the glow of a full moon hanging in a cloudless night sky. The translucent creatures tentacles gently sway with the motion of the water.

A modern cell phone placed steadily on top of a vibrant green leaf in a natural setting.

A person holding a small fish in their hand, carefully displaying the catch. The fish appears to be fresh and vibrant, contrasting against the persons hand.

Detailed close-up of a small bug crawling on a vibrant green leaf. The bug has intricate wings and antennae, showcasing its unique characteristics.

DNA - Genetics - Genes

Red Human Heart on Blue Background - Vintage Looks

Hoverfly feeding on a yellow flower.

A high-resolution close-up of a hazel eye, showcasing intricate details of the iris, eyelashes, and surrounding skin, highlighting the beauty and complexity of human vision.