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Collection of Biology Pictures (48)

Looking for Biology Pictures? Here you will find a carefully collected gallery of free images in high quality. Each Biology Pictures can be downloaded for school projects, presentations, websites or creative designs. Need a custom image? Try our free image generator. These cliparts are free for personal use. Please read the full terms of use.

A smiling girl sorts animals and plants into labeled boxes: Plant, Mammal, Insects, Birds-educational cartoon for kids.
A curious student classifies organisms into four groups using labeled boxes-a fun way to introduce biological taxonomy to young learners.
A smiling woman with red hair in a lab coat peers through a microscope, illustrating scientific research or education.
A cheerful scientist in a lab coat carefully observes a specimen through a compound microscope.
Illustration of a compound light microscope with eyepiece, objective lens, stage, and focus knobs on black background.
A labeled-style illustration of a standard compound light microscope, highlighting essential components like the eyepiece, objective lenses, stage, and coarse/fine focus knobs.
Colorful Bohr model of an atom with a blue nucleus and orbiting electrons in purple, green, and orange paths.
A simplified Bohr model depicting a blue nucleus surrounded by three electrons (purple, green, orange) moving along elliptical orbits.
Illustration of a human brain showing detailed gyri and sulci in side view.
A simplified yet anatomically accurate side view of the human brain, highlighting major folds (gyri) and grooves (sulci).
"Biology is Life" typographic design with leaf, wood, leopard print, and butterfly wing textures in the word "Life".
The word “Life” creatively integrates natural textures-leaf, wood, leopard fur, and butterfly wing-to embody biology’s essence.
Illustration of mitotic spindle fibers (orange) attaching to green chromosomes during cell division within a blue cell nucleus.
Spindle microtubules (orange) attach to centromeres of sister chromatids (green) during metaphase/anaphase transition in mitosis.
Illustration of a microscope, green leaf, and grid of cells representing plant biology research.
A stylized depiction of plant biology tools and elements: microscope, leaf, and magnified cells.
Cartoon microscope examining a colorful specimen in an open science textbook.
A playful, educational illustration showing a microscope focused on a colorful biological sample in an open science book.
Stylized blue whale with open mouth, baleen plates, and snow-like particles in a minimalist vector illustration.
A minimalist depiction of a blue whale filtering krill, showing its massive mouth and baleen structure against a serene ocean backdrop.
Yellow circular biohazard symbol with black trefoil design, indicating biological risk.
The internationally recognized biohazard symbol alerts personnel to potential exposure to infectious agents or biological contaminants.
Illustration of a fetus in the womb with umbilical cord, shown in a stylized medical diagram.
A simplified illustration of a developing fetus curled in the amniotic sac, connected via the umbilical cord.
Colorful cartoon illustration of a microscope, beaker, and test tube with explosive yellow burst behind, labeled "Science".
A lively, cartoon-style science graphic showcasing lab tools and the word “Science” in bold, playful lettering.
Colorful cartoon-style DNA double helix with vibrant base pairs on light background
A stylized, colorful representation of the DNA double helix showing complementary base pairs (adenine-thymine, guanine-cytosine).
Cheerful yellow sun with a smiling face and radiating rays, symbolizing happiness and positivity.
A bright, friendly sun with a warm smile-ideal for uplifting designs and positive messaging.
Diagram illustrating mitosis with chromosomes aligning at the metaphase plate, spindle fibers attaching, and centrosomes at poles.
This illustration depicts key stages of mitosis, including chromosome alignment at the metaphase plate and their movement toward opposite poles via spindle fibers.
A smiling girl with a magnifying glass examines a green grasshopper, with "YAY! Biology" in bold orange text above.
A young scientist investigates a grasshopper up close-celebrating the excitement of biological discovery!
A tired student in a green shirt and blue cap dozes off while studying at a desk with books and a pencil.
Even the most dedicated students need rest-this cartoon captures that all-too-familiar moment of study fatigue.
Colorful DNA double helix structure on a gradient purple-white background, illustrating genetic coding.
A detailed illustration of the DNA double helix, showing complementary nucleotide base pairs against a soft purple-to-white gradient.
Black line drawing of a six-pointed star with central circle and surrounding organic shapes on white background.
A stylized six-pointed star featuring a central circle surrounded by six flowing, leaf-like shapes-perfect for design or symbolic use.
Friendly green cartoon spider with big eyes and a smile, isolated on black background.
A happy, kid-friendly green spider with oversized eyes and a warm smile-ideal for teaching arachnids or adding fun to digital content.
Cartoon monkey in lab coat and fez, surrounded by stars, with "Science Magic Shows" text in purple circle.
A playful monkey scientist in a lab coat and fez, bringing wonder through science magic.
A nautilus shell intertwined with a colorful DNA double helix, symbolizing the connection between natural patterns and genetics.
The nautilus shell’s logarithmic spiral meets the vibrant DNA double helix, illustrating nature’s recurring patterns across scales.
Illustration of a microscope with orange body and brown eyepiece, stylized for educational or scientific web content.
A stylized microscope icon in warm orange and brown tones, perfect for representing biology, research, or STEM learning.
Green Earth globe encircled by three rotating arrows symbolizing sustainability and recycling.
A stylized green planet Earth with three curved arrows forming a continuous cycle-symbolizing renewal, recycling, and planetary stewardship.
A cartoon race car with expressive eyes and number 10, speeding past a backdrop of colorful protein ribbon structures.
A lively orange race car with big eyes races past a colorful protein structure diagram, blending fun and science.
Black-and-white line drawing of a spiral ammonite fossil shell with detailed chamber divisions.
A classic spiral ammonite fossil shell, showing internal chamber divisions and coiled structure typical of extinct cephalopods.
TBA African Alumni Group logo featuring Africa map outline, a person holding a green tree with lion, bird, and human figure symbols.
The TBA African Alumni Group logo symbolizes unity, nature, and cultural pride across the African continent.
Simple green leaf outline icon on black background, symbolizing nature, eco-friendliness, or sustainability.
A sleek green leaf outline-perfect for logos, buttons, or icons promoting eco-awareness and natural living.
3D ribbon diagram of a protein complex showing alpha-helices (coils) and beta-sheets (arrows) in yellow, red, blue, and pink.
Color-coded ribbon diagram illustrating the tertiary structure of a protein, with yellow and red regions denoting helical and sheet motifs respectively.
3D molecular model of chlorophyll a, showing hydrophobic tail and porphyrin ring with magnesium atom at center.
Chlorophyll a molecule rendered in ball-and-stick style: black = carbon, white = hydrogen, red = oxygen, blue = nitrogen, green = magnesium.
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Black biohazard symbol on bright orange background, universally recognized warning sign for biological hazards.
The internationally recognized biohazard symbol-designed to alert personnel to potential exposure to dangerous biological substances.
3D ribbon model of a protein complex showing two subunits (cyan and blue) with a bound ligand (red, yellow, gray spheres) at the interface.
Ribbon diagram of a heterodimeric protein complex with a small-molecule ligand bound at the interface-highlighting key structural motifs and active site residues.
Problems in Pharmacology: Definitions and crossing the Biology
graphic design
Color-coded 3D molecular model of a DNA double helix showing nucleotide bases, sugar-phosphate backbone, and hydrogen bonds.
A scientifically accurate 3D ball-and-stick model of DNA, with color-coded atoms: orange = phosphorus, red = oxygen, green = carbon, blue = nitrogen, white = hydrogen.
Hand-drawn diagram illustrating the light-dependent reactions and Calvin cycle of photosynthesis, showing electron flow, proton gradients, ATP/NADPH synthesis, and sugar production.
A colorful, hand-illustrated overview of photosynthesis-showing Photosystem II and I, electron transport chain, chemiosmotic ATP synthesis, and the Calvin cycle producing sugar.
Abstract blue hexagonal digital pattern with glowing cyan lines and binary code motifs.
A sleek, high-tech hexagonal motif featuring layered digital elements and glowing accents-perfect for modern tech branding.
Abstract digital art of two stylized figures in mint and lavender sharing a colorful geometric kiss.
A playful, pixel-inspired embrace between two silhouetted figures, blending pastel geometry with bold contrast.
Illustration of a honeycomb structure with a cross-section showing hexagonal cells and internal cellular texture.
A classic schematic of honeycomb architecture, highlighting the efficient hexagonal lattice and a magnified cross-sectional view of its porous interior.
3D ribbon diagram of a protein complex showing green and cyan subunits with alpha-helices and beta-sheets.
Ribbon representation of a heterodimeric protein, with green and cyan chains illustrating distinct folding patterns and domain organization.
Fluorescent microscopic view of green algae cells with bright chloroplasts against a black background.
Fluorescently stained algae cells reveal internal chloroplast structures under a microscope.
Colorful 3D ribbon diagram of a complex protein structure showing alpha helices and beta sheets.
A computationally rendered protein structure highlighting helical (coiled) and sheet (arrowed) regions using a rainbow gradient to indicate sequence direction.
Line drawing of a flower cross-section showing petals, stamens, and ovary with ovules.
A labeled-style cross-section diagram revealing the reproductive structures of a typical angiosperm flower.
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A cheerful green caterpillar points to a chalkboard that reads "Reading is Power".
A friendly green caterpillar enthusiastically presents the timeless truth: Reading is Power.
Labeled diagram of a Paramecium cell showing nucleus, cilia, contractile vacuole, food vacuoles, and oral groove.
A clear, color-coded cross-section of a Paramecium highlighting key organelles essential for its survival and movement.
3D molecular model of a protein dimer with alpha-helices and beta-sheets, color-coded by atom type (red=O, blue=N, teal=C, orange=H).
A computationally rendered protein dimer highlighting key structural motifs-alpha-helices (coiled regions) and beta-sheets (zigzag strands)-with atoms color-coded for clarity.
3D ribbon model of a protein structure highlighting active site residues D443, D498, E478 and two Mg²⁺ ions (A and B).
Ribbon diagram showing the protein’s tertiary structure with labeled catalytic residues (D443, D498, E478) and two magnesium ions (Mg²⁺ A and B) at the active site.