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Learn about the wonders of the world—from plants to animals and humans. Investigate the fascinating topic of biology through a modern laboratory experience. Our labs are suitable for non-majors, mixed majors, and majors biology students.

Featured Simulations for Biology

Applying the Scientific Method: Pillbug Preference , Link will open in a new tab

In this simulation, you will use the steps of the scientific method to design a controlled experiment to determine if pillbugs prefer sand or cornstarch.

Diffusion Across a Selectively Permeable Membrane , Link will open in a new tab

In this simulation, you will examine the diffusion of iodine, starch, and glucose across an artificial membrane made of dialysis tubing.

Dissection (Vertebrate): Fetal Pig part 1 , Link will open in a new tab

In this two-part simulation, you will review anatomical positions, dissect the ventral body wall to expose and identify glands and organs associated with the digestive, respiratory, endocrine, circulatory, urinary, and reproductive systems.

See the growing list of Biology simulations here:

1st Lab Tutorial:

• Virtual Labs Tutorial

Applying the Scientific Method:

• Pillbug Preference

Bacterial Genetics:

• DNA Profiling

• Polymerase Chain Reaction (PCR)

• Bacterial Transformation

Basic Chemistry:

• Density of a Cube

• Synthesis of Calcium Carbonate

• Titration of Vinegar


• Differential White Blood Cell Count

• Hematocrit

• Hemoglobin Content

• Blood Typing

Cardiovascular Physiology:

• Pulse Rate

• Blood Pressure

• Electrocardiography

• Heart Auscultation

Cell Division:

• Examining Meiosis

• Examining Mitosis

Cell Structure:

• Examining Plant & Animal Cells

Cellular Respiration:

• Yeast Fermentation

• Measuring Energy Production in Plants

Chemical Composition of Cells:

• Test for Starch

• Test for Sugars

• Digestion of Starch

• Emulsification of Lipids

• Test for Fat

• Test for Proteins

Control of Microbial Growth:

• Effect of Ultraviolet Light

• Effect of Antiseptics and Disinfectants

• Antimicrobial Sensitivity Testing (Kirby-Bauer Method)


• Effect of Concentration on the Rate of Diffusion in a Semisolid

• Effect of Density of Media on the Rate of Diffusion

• Effect of Molecular Weight on the Rate of Diffusion in Air

• Diffusion Across a Selectively Permeable Membrane

Digestive System:

• Enzymes & Digestion


• Dissection Tutorial for Animals and Plants

• Earthworm (invertebrate)

• Mussel (invertebrate)

• Perch (vertebrate)

• Crayfish (invertebrate)

• Sea Star (invertebrate)

• Fetal Pig (vertebrate)

• Frog (vertebrate)

• Nematode (Roundworm) (invertebrate)

DNA Biology and Technology:

• Enzyme-Linked Immunosorbent Assay (ELISA) Testing (New)

• Isolation of DNA

• Gel Electrophoresis

• DNA/RNA Structure

• Rapid Diagnostic Testing

• Transcription, Translation, and Mutation


• Motor Unit Recruitment

• Time to Fatigue

Endocrine System:

• Influence of Thyroid Hormone on Temperature Regulation

• Effects of Blood Glucose Level

Evidence of Evolution:

• Molecular Evidence

• Fossils and Comparative Anatomy

Eye and Vision:

• Eye Dissection

• Accommodation of the Lens

• Astigmatism Test

• Blind Spot Demonstration

• Color Vision Test

• Convergence Reflex Test

• Pupillary Reflex Test

• Visual Acuity Test

How Enzymes Work:

• Effect of Temperature

• Enzyme Activity

• Effect of pH

• Effect of Concentration

Human Genetics:

• Chromosomal Inheritance During Meiosis

• Genetic Inheritance

Isolation Methods:

• Quadrant Streak Plate Method

• Pour Plating Method

• Subculturing of Bacteria

• Quantitative Dilution of Bacteria

• Quantification by Colony Counting

• Optical Density

Lab Safety:

• Hand Washing Procedure

• Personal Safety

Mendelian Genetics:

• Monohybrid Plant Cross

• Fruit Fly Characteristics

• Monohybrid Fruit Fly Cross

• Dihybrid Plant Cross

• Dihybrid Fruit Fly Cross

• X-Linked Fruit Fly Cross

Metric Measurement:

• Length

• Weight

• Volume

• Temperature

Microbial Growth:

• Oxygen Requirements & Anaerobic Jar

• Effects of Osmotic Pressure

• Effects of Temperature

• Oxygen Requirements and Fluid Thioglycolate Medium Tubes

• Effects of pH


• Operation of a Brightfield Microscope

• Oil Immersion

• Pond Water Wet Mount

• Plant Cells (Onion Epidermal Cells)

• Animal Cells

• Diversity of Microorganisms

• Epithelial Tissue Histology

• Connective Tissue Histology

• Muscle Tissue Histology

• Nervous Tissue Histology

• Euglena Wet Mount

Natural Selection:

• Antibiotic-Resistant Bacteria

• Natural Selection in Insects

Nervous System:

• Demonstrate Monosynaptic Reflexes

Organismal Diversity:

• Protists

• Sponges and Cnidarians

• Flatworms, Rotifers and Water Bears


• Movement of Water Across a Selectively Permeable Membrane

• Tonicity in Red Blood Cells

• Tonicity in Elodea Cells

• Tonicity in Potato Strips

pH Balance:

• Function of Buffers

• Antacids as Buffers


• Photosynthetic Pigments

• Comparing Green and Blue Light

• Determining Rate in White Light

• Monitoring Photosynthesis with Carbon Dioxide Uptake


• Angiosperm Reproduction

• Bloom Color and pH

• Gravitropism and Phototropism (Mustard Plant Seedlings)

• Gymnosperms

• Transpiration

• Mosses and Ferns

• Flowering Plant Anatomy

Population Biology:

• Growth and Competition

Respiratory System:

• Mechanism of Breathing

• Pulmonary Function Tests

Skeletal Muscle:

• Shoulder & Elbow Movement Exercise

• Electrical Stimulation


• Apply Beer's Law to Determine Concentration of Dye


• Smear Preparation

• Gram Staining

• Acid-Fast Staining

• Capsule Staining

• Spore Staining

Transgenic Organisms:

• Bt Corn

Ubiquity of Microorganisms:

• Ubiquity of Microorganisms

Unknown Bacterial Identification:

• Samples 1-10

Urinary System:

• Urinalysis