Evolution & Taxonomy

Evolution is often called the “unifying theory of biology” because it organizes all of the observations gathered by biologists and proposes and explanation for those observations.    All state standards for teaching science include a section on evolution (sometimes called adaptation or change over time).


Simulations and Case Studies

Peppered Moth Activity – newspaper and colored paper simulated natural selection

Peppered Moth Simulation – updated simulation on the peppered moth

Stickleback Fish –  This HHMI virtual lab requires students to count the phenotypes of stickleback fish in two distinct lakes

Modeling Natural Selection – use tools such as spoons to “capture” beans and determine the best adaptations

How Did the Guppy Get His Color – guided case study exploring pools in Trinidad and guppy coloration; includes data analysis comparing pools with predators to those without

Natural Selection with Bunnies and Wolves – interactive simulation at phet.colorado.edu where students manipulate variables such as climate, fur color, presence of predator, or food limitations.

mouseEvolution and the Rock Pocket Mouse – Students examine mouse populations on different substrates, adapted from HHMI BioInteractive

Data Analysis and Real World Examples

Lizards in a Hurricane – based on a BioInteractive activity that explores the size of lizard toepads on islands where there are hurricanes (slides/guided activity).

Data Analysis – Virginia Opossum – Students examine scatter plots that show phenotype variations among opossums in North America, exhibiting variations in coat color, ear length, and size.

Snake Detection Hypothesis – study showing how humans may have evolved the ability to detect snakes

Speciation on Daphne Major (Big Birds Get No Love) – data analysis showing how the size of finch beaks changes as a result of a drought

How Can Mutations Show Convergent Evolution – explore DNA mutations in aquatic mammals; analyze a phylogenetic tree

foxExploring Phenotypic Plasticity – Learn about arctic foxes and how they change color in the summer, a phenomenon called phenotypic plasticity.

Sexual Dichromatism in Parrots – Explore sexual dimorphism be examining data on parrot coloration and environment details, like predators, competition, and mate choice.

Evolution of Caffeine Producing Plants – examine protein sequences to determine if the gene for caffeine arose independently (AP Bio)

Bioluminescence in Nocturnal Millipedes – analyze a phylogenetic tree of the genus Motyxia

Are Bats Birds? – use Uniprot database to explore relationships between bats and birds, and whether whales evolved from land animals (Key, TpT)

Hardy Weinberg Equilibrium

Hardy Weinberg and the Rock Pocket Mouse – this version is for advanced classes and models how evolution is quantified mathematically

Teddy Graham Simulation and HW Equilibrium – use tasty snacks to model population changes and equilibrium

Hardy Weinberg Equilibrium and the Gray Squirrel – Students examine data on gray squirrel populations to determine if they are in equilibrium

birdEvolution Practice and Reinforcement

VIDA Chart for Evolution – can be used with any model organism to organize concepts: variation, inheritance, differential survival, and adaptation

Evolution Concept Map – graphic organizer, shows terms related to evolution and how they are connected

Reinforcement – Evolution – vocabulary exercise, match terms to definitions with key (TpT)

Evolution Crossword Puzzle – terms related to topic of evolution; Darwin, Galapagos, and natural selection

Galapagos Finch Video (HHMI) – video link with questions for students to answer

Examining the Fossil Record – organize paper “fossils” to show change over time and determine when a species split into two

Explorations Through Time – explore Berkeley website on evolution, answer questions about geologic time

Understand Homology and Analogy – also Berkeley website,  focuses on specific body parts and how they compare across organisms

Speciation Modes – Students distinguish between allopatric and sympatric speciation and then identify what types of isolating mechanisms are described in scenarios.

Understanding Evolution – The Arthropod Story – Berkeley interactive activity with questions

Comparing Life History to the Hours of a Clock –  place events, such as “bacteria evolve” on a clock

The Decay Curve of Twizzlers – use twizzlers candy to understand the decay of isotopes and how that decay is used for carbon dating

Becoming Human – video clips and information website; questions that focus on human evolution and various hominid species

Great Transitions: The Origin of Tetrapods – video worksheet to go with HHMI program


Interpreting Graphics – uses a map to show groups of animals and how they are related; such as canines, felines, and foxes.

Exploring Phylogenetic Trees with Wolves – compare dogs, wolves, and coyotes and analyze a phylogenetic tree of canids

Practice with Taxonomy and Classification:   reinforcement activity, focuses on kingdoms and scientific names

Bear Species and DNA – activity from Learn.Genetics explores relationships between different types of bears

Fingerprint Classification – look at fingerprints and develop a way to classify them

Taxonomy Project – students create their own kingdoms, phyla..etc and design organisms

Analyze and Construct Cladograms  – very simple cladograms showing how animals are organized by derived characters

Phylogenetic Tree and Body Plan – examine a tree of the animal kingdom and compare protostomes to deuterostomes