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.
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Biochemistry
RNA vs DNA
[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
[Google Slides worksheet][worksheet PDF][answers PDF][worksheet PNG][answers PNG]
Parts of a Plant Cell
[Google Slides worksheet][worksheet PDF][answers PDF][worksheet PNG][answers PNG]
Label Parts of a Chloroplast
[Google Apps worksheet][worksheet PDF][answers PDF][worksheet PNG][answers PNG]
Label Parts of a Mitochondria
[Google Apps worksheet][worksheet PDF][answers PDF][worksheet PNG][answers PNG]
Label the Animal Cell
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
Prokaryotes vs Eukaryotes Worksheet
[Google Slides worksheet][worksheet PDF][answers PDF][worksheet PNG][answers PNG]
Steps of the Cell Cycle
[Google Slides worksheet][worksheet PDF][answers PDF][worksheet PNG][answers PNG]
Steps of Mitosis
[Google Slides worksheet][worksheet PDF][answers PDF][worksheet PNG][answers PNG]
Membrane Transport Terms and Definitions
[Google Apps worksheet][worksheet PDF][answers PDF][worksheet PNG][answers PNG]
Membrane Transport Worksheet #2
[Google Apps worksheet][worksheet PDF][answers PDF][worksheet PNG][answers PNG]
The Plasma Membrane
[Google Slides worksheet][worksheet PDF][answers PDF][worksheet PNG][answers PNG]
Label a Bacterial Cell
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
- 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
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
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
Label the Ear
[Google Apps worksheet][Worksheet PDF][Worksheet PNG][Answers PNG]
Label the Lungs
[Google Apps worksheet][Worksheet PDF][Worksheet PNG][Answers PNG]
Label the Kidney
[Google Apps worksheet][Worksheet PDF][Worksheet PNG][Answers PNG]
Label the Liver
[Google Apps worksheet][Worksheet PDF][Worksheet PNG][Answers PNG]
Label the Large Intestine
[Google Apps worksheet][Worksheet PDF][Worksheet PNG][Answers PNG]
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
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Label Bones of the Skeleton
[Google Apps worksheet][worksheet PDF][answers PDF][worksheet PNG][answers PNG]
Label the Lymph Node
[Google Apps worksheet][Worksheet PDF][Worksheet PNG][Answers PNG]
Label the Parts of the Brain
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Label the Lobes of the Brain
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Brain Anatomical Sections
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Arteries of the Brain
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Label the Pancreas
[Google Apps worksheet][Worksheet PDF][Worksheet PNG][Answers PNG]
Label the Spleen
[Google Apps worksheet][Worksheet PDF][Worksheet PNG][Answers PNG]
Label the Digestive System
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Label the Respiratory System
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Parts of a Neuron
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Label the Lips
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Label the Skin
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Label the Circulatory System
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
The Urinary Tract
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answer Key PNG]
The Bladder
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answer Key PNG]
- The Female Reproductive System [worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Parts of a Flower
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
Label the Orchid Plant
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answer Key PNG]
Parts of an Orchid Flower
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answer Key PNG]
Parts of a Monocot Seed
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answer Key PNG]
Parts of a Fern
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answer Key PNG]
Parts of a Tree Trunk
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answer Key PNG]
Parts of a Tree
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Parts of a Mushroom
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Label the Shark
[Google Apps worksheet][Worksheet PDF][Worksheet PNG][Answers PNG]
Label the Fish
[Google Apps worksheet][Worksheet PDF][Worksheet PNG][Answers PNG]
Parts of a Bird
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Bird Anatomy
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Frog Life Cycle
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Parts of a Mosquito (Insect)
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Bones of the T. rex Skull
[worksheets PDF][worksheet Google Slides][worksheet PNG][answers PNG]
Holes of the T. rex Skull
[worksheets PDF][worksheet Google Slides][worksheet PNG][answers PNG]
- 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]
Immunology
Use a completed worksheet as a study guide.
Cells of the Immune System
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
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
[worksheet Google Slide][worksheet PDF][worksheet PNG][answers PNG]
Human DNA Viruses
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Human RNA Viruses
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Genetics
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
[Google Apps worksheet][Worksheet PDF][Worksheet PNG][Answers PNG]
Types of Mutations
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Monohybrid Cross Worksheet #1
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Monohybrid Cross Worksheet #2
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Monohybrid Cross Worksheet #3
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Monohybrid Cross #4 – Multiple Alleles
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
- Monohybrid Cross Worksheet #5: Multiple Alleles [worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Monohybrid Cross #6 – Sex-Linked Inheritance
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Monohybrid Cross #7 – Sex-Linked Inheritance
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Dihybrid Cross Worksheet #1
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Dihybrid Cross Worksheet #2
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Dihybrid Cross Worksheet #3
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Dihybrid Cross Worksheet #4
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Dihybrid Cross #5 – Epistasis
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Dihybrid Cross #6 – Epistasis
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Incomplete Dominance Worksheet #1
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Incomplete Dominance Worksheet #2
[worksheet Google Apps][worksheet PDF][worksheet PNG][answers PNG]
Natural Selection Worksheet
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
Convergent vs Divergent Evolution Worksheet
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
Intro to Pedigrees Worksheet #1
[Worksheet PDF][Worksheet Google Apps][Worksheet PNG][Answers PNG]
Pedigrees/Genealogy Worksheet #2
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Pedigrees/Genealogy Worksheet #3 – X-Linked Dominant Traits
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Pedigrees/Genealogy Worksheet #4 – X-Linked Recessive Traits
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Pedigrees/Genealogy Worksheet #5 – Autosomal Dominant Traits
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Pedigrees/Genealogy Worksheet #6 – Autosomal Recessive Traits
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Pedigrees/Genealogy Worksheet #7 – Comprehension Skills
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Pedigrees/Genealogy Worksheet #8 – Identifying Inheritance Patterns
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Autosomal vs Sex-Linked Inheritance
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Plasmid Mapping
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Ecology
Use labelled diagrams as study guides.
Ecosystems Worksheet
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Levels of Organization (Ecosystem)
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Primary Succession
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Secondary Succession
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Label the Insect
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
Label the Bee
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
Chicken Life Cycle (Basic)
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Bird Life Cycle (Basic)
[worksheet PDF][worksheet Google Apps][worksheet PNG][answers PNG]
Frog Life Cycle
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
Butterfly Life Cycle
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
- 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
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
Schistosome Anatomy
[Google Apps worksheet][worksheet PDF][worksheet PNG][answers PNG]
- 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.
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
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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.