Share/Like This Page

Add Biology Images to your Worksheets and Tests

All images in the category Biology are shown below. Scroll to the bottom of this page to view a full-size sample image or browse questions with Biology Images.

Help Teaching Pro subscribers can click on an image icon to view the full size version.

Biology Images

Icon Name Description Available Sizes
Activation Energy

Activation Energy

None MEDIUM_HALF_HEIGHT
Activation Energy Without Text Labels

Activation Energy Without Text Labels

None MEDIUM_HALF_HEIGHT
Alveolar Gas Exchange

Alveolar Gas Exchange

None MEDIUM_HALF_HEIGHT
Alveolar Gas Exchange Without Gas Labels

Alveolar Gas Exchange Without Gas Labels

None MEDIUM_HALF_HEIGHT
Amoeba

Amoeba

LARGE_HALF_HEIGHT
Amoeba Without Text Labels

Amoeba Without Text Labels

LARGE_HALF_HEIGHT
Animal Cell

Animal Cell

None LARGE_HALF_HEIGHT
Aquatic Food Web - Complex

Aquatic Food Web - Complex

None LARGE
Bacteria Cell Anatomy

Bacteria Cell Anatomy

Diagram MEDIUM
Beaks and Feet

Beaks and Feet

None LARGE
Biomes With Text Labels

Biomes With Text Labels

LARGE
Biomes Without Text Labels

Biomes Without Text Labels

LARGE_HALF_HEIGHT
Bird Beak - Buzzard

Bird Beak - Buzzard

None MEDIUM_HALF_HEIGHT
Bird Beak - Curlew

Bird Beak - Curlew

None MEDIUM_HALF_HEIGHT
Bird Beak - Parrot

Bird Beak - Parrot

None MEDIUM_HALF_HEIGHT
Bird Foot - Herring Gull

Bird Foot - Herring Gull

None SMALL
Bird Foot - Little Owl

Bird Foot - Little Owl

None SMALL
Blood Cell Tonicity

Blood Cell Tonicity

None MEDIUM_HALF_HEIGHT
Blood Cell Tonicity Without Text Labels

Blood Cell Tonicity Without Text Labels

None MEDIUM_HALF_HEIGHT
Brain

Brain

None MEDIUM
Brain Lobes

Brain Lobes

None MEDIUM
Brain Lobes Simple

Brain Lobes Simple

None MEDIUM
Butterfly Lifecycle

Butterfly Lifecycle

LARGE_HALF_HEIGHT
Butterfly Lifecycle Without Text Labels

Butterfly Lifecycle Without Text Labels

LARGE_HALF_HEIGHT
Cell Anaphase

Cell Anaphase

None SMALL
Cell Division

Cell Division

None LARGE_HALF_HEIGHT
Cell Interphase

Cell Interphase

None SMALL
Cell Metaphase

Cell Metaphase

None SMALL
Cell Prophase

Cell Prophase

None SMALL
Cell Telophase

Cell Telophase

None SMALL
Chloroplast With Text Labels

Chloroplast With Text Labels

None MEDIUM_HALF_HEIGHT
Chloroplast Without Text Labels

Chloroplast Without Text Labels

None MEDIUM_HALF_HEIGHT
Circulatory System With Text Labels

Circulatory System With Text Labels

None MEDIUM
Circulatory System Without Text Labels

Circulatory System Without Text Labels

None MEDIUM
Cladogram

Cladogram

MEDIUM_HALF_HEIGHT
Cladogram With Points

Cladogram With Points

None MEDIUM_HALF_HEIGHT
Clumped Dispersion

Clumped Dispersion

None MEDIUM_HALF_HEIGHT
Common Virus

Common Virus

Diagram MEDIUM
Darwin's Finches

Darwin's Finches

LARGE
Diffusion

Diffusion

None LARGE_HALF_HEIGHT
Digestive System

Digestive System

None LARGE
Dispersion

Dispersion

None MEDIUM_HALF_HEIGHT
Dispersion Without Text Labels

Dispersion Without Text Labels

None MEDIUM_HALF_HEIGHT
DNA

DNA

Diagram LARGE
DNA Central Dogma

DNA Central Dogma

None MEDIUM
DNA Central Dogma Without Text Labels

DNA Central Dogma Without Text Labels

None MEDIUM
DNA Replication

DNA Replication

LARGE_HALF_HEIGHT
Ear Diagram

Ear Diagram

None LARGE_HALF_HEIGHT
Endocrine System

Endocrine System

None LARGE
Endocytosis With Text Labels

Endocytosis With Text Labels

LARGE_HALF_HEIGHT
Endocytosis Without Text Labels

Endocytosis Without Text Labels

LARGE_HALF_HEIGHT
Energy Pyramid

Energy Pyramid

None MEDIUM_HALF_HEIGHT
Energy Pyramid Without Percentages

Energy Pyramid Without Percentages

None MEDIUM_HALF_HEIGHT
Enzyme Reaction

Enzyme Reaction

None LARGE_HALF_HEIGHT
Enzyme Reaction Without Text Labels

Enzyme Reaction Without Text Labels

None LARGE_HALF_HEIGHT
Euglena

Euglena

LARGE_HALF_HEIGHT
Euglena Without Text Labels

Euglena Without Text Labels

LARGE_HALF_HEIGHT
Eukaryotic DNA With Text Labels

Eukaryotic DNA With Text Labels

Diagram LARGE_HALF_HEIGHT
Eukaryotic DNA Without Text Labels

Eukaryotic DNA Without Text Labels

Diagram LARGE_HALF_HEIGHT
Exponential Growth

Exponential Growth

None SMALL
Eye Diagram

Eye Diagram

None MEDIUM
Facilitated Diffusion

Facilitated Diffusion

None MEDIUM_HALF_HEIGHT
Female Reproductive System

Female Reproductive System

None LARGE
Flower Diagram

Flower Diagram

None LARGE
Flower Diagram Simple

Flower Diagram Simple

None LARGE
Fluid Mosaic Model

Fluid Mosaic Model

None LARGE_HALF_HEIGHT
Fluid Mosaic Model Without Text Labels

Fluid Mosaic Model Without Text Labels

None LARGE_HALF_HEIGHT
Food Web

Food Web

LARGE_HALF_HEIGHT
Food Web Without Text Labels

Food Web Without Text Labels

LARGE_HALF_HEIGHT
Heart Diagram

Heart Diagram

None MEDIUM
Human Female Karyotype

Human Female Karyotype

None MEDIUM
Human Kidney

Human Kidney

None MEDIUM
Human Male Karyotype

Human Male Karyotype

None MEDIUM
Influenza Virus

Influenza Virus

Diagram MEDIUM
Influenza Virus Simple

Influenza Virus Simple

Diagram MEDIUM
Insect Taxonomy

Insect Taxonomy

MEDIUM
Land Food Web - Complex

Land Food Web - Complex

None LARGE
Lipid Bilayer

Lipid Bilayer

None SMALL
Logistic Growth

Logistic Growth

None SMALL
Lymphatic System

Lymphatic System

None LARGE
Male Reproductive System

Male Reproductive System

None LARGE
Metabolism

Metabolism

None RULER
Microscope

Microscope

LARGE
Mitochondrion

Mitochondrion

None MEDIUM
Muscular System - Back

Muscular System - Back

None LARGE
Muscular System - Front

Muscular System - Front

None LARGE
Mutation - Base Substitution

Mutation - Base Substitution

None SMALL
Mutation - Deletion

Mutation - Deletion

None SMALL
Mutation - Insertion

Mutation - Insertion

None SMALL
Mutation - Inversion

Mutation - Inversion

None SMALL
Nervous System

Nervous System

None LARGE
Neuron

Neuron

None LARGE_HALF_HEIGHT
Paramecium

Paramecium

LARGE_HALF_HEIGHT
Paramecium Without Text Labels

Paramecium Without Text Labels

LARGE_HALF_HEIGHT
Pedigree Chart

Pedigree Chart

MEDIUM
Phylogenetic Tree

Phylogenetic Tree

None MEDIUM
Pictograph - Adult Butterfly

Pictograph - Adult Butterfly

SMALL
Pictograph - Eagle

Pictograph - Eagle

SMALL
Pictograph - Egg

Pictograph - Egg

SMALL
Pictograph - Grass

Pictograph - Grass

SMALL
Pictograph - Larva

Pictograph - Larva

SMALL
Pictograph - Mice

Pictograph - Mice

SMALL
Pictograph - Mushroom

Pictograph - Mushroom

SMALL
Pictograph - Pupa

Pictograph - Pupa

SMALL
Pictograph - Snake

Pictograph - Snake

SMALL
Plant Cell

Plant Cell

None LARGE_HALF_HEIGHT
Plant Cell Tonicity

Plant Cell Tonicity

None MEDIUM_HALF_HEIGHT
Plant Cell Tonicity Without Text Labels

Plant Cell Tonicity Without Text Labels

None MEDIUM_HALF_HEIGHT
Protein Structure With Text Labels

Protein Structure With Text Labels

Diagram LARGE_HALF_HEIGHT
Protein Structure Without Text Labels

Protein Structure Without Text Labels

Diagram LARGE_HALF_HEIGHT
Random Dispersion

Random Dispersion

None MEDIUM_HALF_HEIGHT
Respiratory System

Respiratory System

None LARGE
RNA

RNA

Diagram LARGE
Skeleton

Skeleton

None LARGE
Structural Formula - Aldehyde

Structural Formula - Aldehyde

SMALL
Structural Formula - Amine

Structural Formula - Amine

MEDIUM_HALF_HEIGHT
Structural Formula - Carbon Chain Glucose

Structural Formula - Carbon Chain Glucose

SMALL
Structural Formula - Carbon Ring Glucose

Structural Formula - Carbon Ring Glucose

MEDIUM
Structural Formula - Carboxyl

Structural Formula - Carboxyl

MEDIUM_HALF_HEIGHT
Structural Formula - Folate

Structural Formula - Folate

MEDIUM_HALF_HEIGHT
Structural Formula - Phosphate

Structural Formula - Phosphate

SMALL
Structural Formula - Saturated Fatty Acid

Structural Formula - Saturated Fatty Acid

None SMALL
Structural Formula - Sucrose

Structural Formula - Sucrose

None SMALL
Structural Formula - Triglyceride

Structural Formula - Triglyceride

None MEDIUM_HALF_HEIGHT
Structural Formula - Unsaturated Fatty Acid

Structural Formula - Unsaturated Fatty Acid

None SMALL
Structural Model - Amino Acid

Structural Model - Amino Acid

None MEDIUM_HALF_HEIGHT
Structural Model - Sucrose

Structural Model - Sucrose

None SMALL
Surface Area to Volume Ratio

Surface Area to Volume Ratio

None LARGE_HALF_HEIGHT
Uniform Dispersion

Uniform Dispersion

None MEDIUM_HALF_HEIGHT

Sample (Actual Size):

Random Dispersion

Help Teaching is continuing to expand our image library. Need an image we don't have? Send us an e-mail and let us know.