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Biology Worksheets, Notes, and Quizzes (PDF and PNG)

This is a collection of free biology worksheets, notes, handouts, slides, study guides and quizzes. Most content targets high school, AP biology, genetics, anatomy/physiology, immunology, and biology 101 and 102 in college. There is also biochemistry and physics for biologists. However, some resources are at the grade school and middle school level.

The files are PDF, PNG, JPG, and formats using Google Apps for Google Classroom. Most of the time, these formats are interchangeable. So, if you see something you like, but want a different format, just let us know. Print these resources, make transparencies and slides, etc.

In the interest of quick load time, not all of the images are shown. If you’d rather see them all, just contact us!

Biochemistry

[ Google apps worksheet ][ worksheet PDF ][ answers PDF ][ worksheet PNG ][ answers PNG ]

Enzymes Definitions

[ Google Slides worksheet ][ worksheet PDF ][ answers PDF ][ worksheet PNG ][ answers PNG ]

• 20 Amino Acids [ PNG ][ PDF ]
• Amino Acid Side Chains [ PNG ][ PDF ]
• Identifying Type of Biological Macromolecules [ Google Slides worksheet ][ worksheet PDF ][ answers PDF ][ worksheet PNG ][ answers PNG ]
• Disaccharide Examples [ PNG ]
• Products of Photosynthesis [ JPG ]
• Anabolism vs Catabolism [ PNG ]
• 3 Parts of a Nucleotide [ PNG ]
• Fermentation Definition and Examples [ PNG ]

General and Cell Biology

Organelles and Their Functions

Parts of a Plant Cell

Label Parts of a Chloroplast

[ Google Apps worksheet ][ worksheet PDF ][ answers PDF ][ worksheet PNG ][ answers PNG ]

Label Parts of a Mitochondria

Label the Animal Cell

[ Google Apps worksheet ][ worksheet PDF ][ worksheet PNG ][ answers PNG ]

Prokaryotes vs Eukaryotes Worksheet

Steps of the Cell Cycle

Steps of Mitosis

Membrane Transport Terms and Definitions

Membrane Transport Worksheet #2

The Plasma Membrane

Label a Bacterial Cell

• Label a Bacteriophage [ Google Apps worksheet ][ worksheet PDF ][ worksheet PNG ][ answers PNG ]
• Evidence of Evolution Worksheet [ Google Apps worksheet ][ Worksheet PDF ][ Worksheet PNG ][ Answers PNG ]
• Evolutionary Processes Worksheet [ worksheet Google Apps ][ worksheet PDF ][ worksheet PNG ][ answers PNG ]
• Major Receptor Families [ Google Apps worksheet ][ worksheet PDF ][ worksheet PNG ][ answers PNG ]
• Label a Bacterial Cell Membrane ( E. coli ) [ Google Apps worksheet ][ worksheet PDF ][ worksheet PNG ][ answers PNG ]

Anatomy and Physiology

These worksheets are only a portion of the available anatomy and physiology worksheets. Human anatomy and physiology worksheets have their own section.

Label the Heart

Label the Eye

[ Google Apps worksheet ][ worksheet PDF ][ answers PDF ][ worksheet PNG ]

Types of Blood Cells

[ worksheet Google Apps ][ worksheet PDF ][ worksheet PNG ][ answers PNG ]

Label the Muscles

[ worksheet PDF ][ worksheet PNG ][ answers PNG ]

Label the Ear

[ Google Apps worksheet ][ Worksheet PDF ][ Worksheet PNG ][ Answers PNG ]

Label the Lungs

Label the Kidney

Label the Liver

Label the Large Intestine

Label the Stomach

[ Google Apps worksheet ] [Worksheet PDF ][ Worksheet PNG ][ Answers PNG ]

External Nose Anatomy

[ Worksheet PDF ][ Worksheet Google Apps ][ Worksheet PNG ][ Answers PNG ]

Parts of the Nose

Label Bones of the Skeleton

Label the Lymph Node

Label the Parts of the Brain

Label the Lobes of the Brain

Brain Anatomical Sections

Arteries of the Brain

Label the Pancreas

Label the Spleen

Label the Digestive System

Label the Respiratory System

Parts of a Neuron

Label the Lips

Label the Skin

Label the Circulatory System

The Urinary Tract

[ Worksheet PDF ][ Worksheet Google Apps ][ Worksheet PNG ][ Answer Key PNG ]

The Bladder

• The Female Reproductive System [ worksheet PDF ][ worksheet Google Apps ][ worksheet PNG ][ answers PNG ]

Parts of a Flower

Label the Orchid Plant

[ Worksheet PDF ][ Worksheet Google Apps ][ Worksheet PNG ] [Answer Key PNG ]

Parts of an Orchid Flower

Parts of a Monocot Seed

Parts of a Fern

Parts of a Tree Trunk

Parts of a Tree

[ worksheet PDF ][ worksheet Google Apps ][ worksheet PNG ][ answers PNG ]

Parts of a Mushroom

Label the Shark

Label the Fish

Parts of a Bird

Bird Anatomy

Frog Life Cycle

Parts of a Mosquito (Insect)

Bones of the T. rex Skull

[ worksheets PDF ][ worksheet Google Slides ][ worksheet PNG ][ answers PNG ]

Holes of the T. rex Skull

• Label the T. rex Skeleton [ worksheets PDF ][ worksheet Google Slides ][ worksheet PNG ][ answers PNG ]
• Label Human Teeth [ Worksheet PDF ][ Worksheet Google Apps ][ Worksheet PNG ][ Answer Key PNG ]
• Monocot vs Dicot Seeds [ worksheet PDF ][ worksheet Google Slides ][ worksheet PNG ][ answers PNG ]
• Label the Moss [ worksheet PDF ][ worksheet Google Slides ][ worksheet PNG ][ answers PNG ]
• Diagram of the Human Eye [ JPG ]

Use a completed worksheet as a study guide.

Cells of the Immune System

Immune Cell Functions

[ worksheet Google Apps ][ worksheet PDF ][ worksheet PNG #1][ answers PNG #1][ worksheet PNG #2][ answers PNG #2]

Methods to Study Virus Structures

[ worksheet Google Slide ][ worksheet PDF ][ worksheet PNG ][ answers PNG ]

Icosahedral Virus Capsids

Human DNA Viruses

Human RNA Viruses

This is selection of worksheets relating to DNA, RNA, transcription, translation, genetic crosses, plasmid mapping, etc. See the full collection of genetics worksheets if you’re don’t see what you need.

DNA Replication

Types of Mutations

Monohybrid Cross Worksheet #1

Monohybrid Cross Worksheet #2

Monohybrid Cross Worksheet #3

Monohybrid Cross #4 – Multiple Alleles

• Monohybrid Cross Worksheet #5: Multiple Alleles [ worksheet Google Apps ][ worksheet PDF ][ worksheet PNG ][ answers PNG ]

Monohybrid Cross #6 – Sex-Linked Inheritance

Monohybrid Cross #7 – Sex-Linked Inheritance

Dihybrid Cross Worksheet #1

Dihybrid Cross Worksheet #2

Dihybrid Cross Worksheet #3

Dihybrid Cross Worksheet #4

Dihybrid Cross #5 – Epistasis

Dihybrid Cross #6 – Epistasis

Incomplete Dominance Worksheet #1

Incomplete Dominance Worksheet #2

Natural Selection Worksheet

Convergent vs Divergent Evolution Worksheet

Intro to Pedigrees Worksheet #1

Pedigrees/Genealogy Worksheet #2

Pedigrees/Genealogy Worksheet #3 – X-Linked Dominant Traits

Pedigrees/Genealogy Worksheet #4 – X-Linked Recessive Traits

Pedigrees/Genealogy Worksheet #5 – Autosomal Dominant Traits

Pedigrees/Genealogy Worksheet #6 – Autosomal Recessive Traits

Pedigrees/Genealogy Worksheet #7 – Comprehension Skills

Pedigrees/Genealogy Worksheet #8 – Identifying Inheritance Patterns

Autosomal vs Sex-Linked Inheritance

Plasmid Mapping

• Genotype vs Phenotype [ PNG ]
• Genetic Codon Chart [ PNG ][ PDF ]
• RNA vs DNA [ JPG ]

Use labelled diagrams as study guides.

Ecosystems Worksheet

Levels of Organization (Ecosystem)

Primary Succession

Secondary Succession

Label the Insect

Label the Bee

Chicken Life Cycle (Basic)

Bird Life Cycle (Basic)

Butterfly Life Cycle

• Biotic and Abiotic Factors [ worksheet PDF ][ worksheet Google Apps ][ worksheet PNG ][ answers PNG ]
• Kingdoms of Life Graphic [ PNG ]
• Autotroph vs Heterotroph Graphic [ PNG ]
• Commensalism Definition and Examples [ PNG ]
• Difference Between Butterflies and Moths [ JPG ]
• Difference Between Bugs and Insects [ PNG ]

Parasitology

Schistosome Life Cycle

Schistosome Anatomy

• Giardia Life Cycle [ worksheet Google Apps ][ worksheet PDF ][ worksheet PNG ][ answers PNG ]

Physical Science for Biology

There is also an entire section devoted to physical science worksheets and study guides.

• Adhesion vs Cohesion Graphic [ PNG ]
• What Is Entropy? [ PNG ]
• Freezing Point of Water [ PNG ]

Biology Labs

• How to Extract DNA From a Banana [ PNG ]

Biology Word Search Puzzles

• DNA Replication Word Search
• Gel Electrophoresis Word Search
• Citrus Fruits
• General Biology Word Search Puzzle [ PNG ]
• Life Science Word Search [ PNG ][ PDF ]
• Cell Biology Word Search [ PNG ][ PDF ]
• Amino Acid Word Search [ PNG ][ PDF ]
• Biome Word Search [ PNG ][ PDF ]
• Environmental Science Word Search [ PNG ][ PDF ]
• Photosynthesis Word Search [ PNG ]
• Human Skeleton Bones Word Search [ PNG ]
• Dinosaur Word Search [ PNG ][ PDF ]
• Different Dinosaur Word Search [ PNG ][ PDF ]
• Wild Cats Word Search [ PNG ][ PDF ]
• Shark Word Search [ PNG ]
• Trees Word Search [ PNG ][ PDF ]
• Flowers Word Search [ PNG ][ PDF ]
• Butterfly Word Search [ PNG ][ PDF ]
• Genetics Word Search [ PNG ][ PDF ]

Miscellaneous Biology Notes and Resouces

• How Long Can Germs Live on Surfaces? [ PNG ]
• 10 Radioactive Foods [ PNG ]
• Examples of Organic Compounds [ PNG ]

Biology Notes Terms of Use

You are welcome to print these resources for personal or classroom use. They may be used as handouts or posters. They may  not  be posted elsewhere online, sold, or used on products for sale.

This page doesn’t include all of the assets on the Science Notes site. If there’s a table or worksheet you need but don’t see, just let us know.

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