Unlike humans, turtles hatch as either male of temperature based on the temperature …
Biology lesson plans, worksheets, tutorials and resources for teachers and students.
This worksheet explores a scientific research study in sexual dimorphism in parrots. Specifically, …
CER – Variation and Sexual Dichromatism in Parrots
The range of tolerance describes the abiotic factors that limit populations in an …
Exploring Range of Tolerance in Steelhead Trout
In this short exercise, students explore how limiting factors affect population growth. Students …
Explore Limiting Factors and Carrying Capacity
Are you afraid of snakes? Many people are not fans. I keep a …
Analyzing Data – Snake Detection Hypothesis (CER)
Students practice analyzing data from graphs in this exercise. Ideally, students will have …
Analyzing Data – Explore Features of Biomes
Most ecology units start with the biosphere and explore how biomes are distributed …
Investigating Algae Blooms and Dinoflagellates
Students explore community interactions on Isle Royale, a small island located in Lake …
Ecology Case Study – The Wolves of Isle Royale
In this activity, students practice using codon charts to determine the amino acid …
Investigation: DNA, Proteins, and Mutations
Homeobox (Hox) genes are responsible for the development of body plans in organisms. …
Color Mutant Homeobox Genes in Drosophila
Rabbits have a variety of colors that cannot be easily interpreted with simple …
Multiple Allele Traits in Rabbit Coat Color
I designed this activity to help my anatomy students learn the arteries and …
Label the Arteries and Veins of the Circulatory System
The case study on Lucas is one of my most downloaded resources. I …
Updated Case – A Tiny Heart (Ross Procedure)
My freshman class usually does a basic strawberry DNA extraction. This is a …
Investigation: Compare DNA from Different Samples
How do you know if an animal can recognize itself in a mirror? …
Can Fish Recognize Themselves in a Mirror (CER)
The color patterns of animals are quite complex. They aren’t easy to apply …
The Genetics of Tortoiseshell and Calico Cats
Students examine several graphs that explore endothermy in animals. In the first graph, …
How do Mammals Maintain Their Temperature (CER)
The Next Generation Science Standards (NGSS) includes a learning standard about feedback loops …
Practice Feedback Loops of the Endocrine System
Photosynthesis is a complicated topic that requires students to develop mental models of …
Observe Photosynthesis with this Easy Experiment
Students practice naming the muscles of the head with this simple coloring worksheet. …
Color the Muscles of the Head and Neck
In my advanced biology classes, students take a closer look at photosynthesis. You …
Light Independent Reaction and Calvin Cycle
Have you ever seen a beautiful red cardinal in your backyard? This bird …
How Did the Cardinal Get His Red Feathers (CER)
First year biology students explore a variety of animals during dissections and live …
Investigation: External Anatomy of a Crayfish
Students explore a case of a woman with general fatigue, slowed speech, and …
Case Study: Neurons and Cell Communication
Sea otters live in extremely cold waters of a North Pacific Habitat. They …
Adaptive Thermogenesis in Sea Otters (CER)
I modified this CER from the NSTA case study called “Shooting the Poop.” …
Why Do Caterpillars Fling Their Frass? (CER)
AP Biology students will relearn mitosis and cell division, though with older students, …
Exploring Senescence and the Hayflick Limit (CER)
Biology students learn about bacteria in this short unit. I mainly focus on …
How Do Bacteria and Viruses Make You Sick?
The sliding filament model of muscle contraction is a challenging concept for anatomy …
Labeling Exercise on the Sliding Filament Model
Biointeractive has a huge amount of great resources for evolution. I use the …
The Beak of the Finch (HHMI) Video Worksheet
As part of the skeletal system unit, anatomy students explore each bone and …
Label the Bones of the Appendicular Skeleton
Students evaluate a claim made by researchers that wasp venom could be used …
Brazilian Wasp Venom Kills Cancer Cells – CER
What is the difference between a ripe banana and a green banana? Students …
Investigation: Bananas, Starch, and Plastids
This module walks students through the skeletal anatomy of the hand and the …
Learn the Bones of the Hand and Foot
I created this module for sub plans where students are learning about connective …
Connective Tissues Learning Module
In AP Biology, early units focus on the chemistry of life which includes …