Darwin's Observations

MS-LS4-4. Construct an explanation based on evidence that describes how genetic variations of traits in a population increase some individuals’ probability of surviving and reproducing in a specific environment.
Darwin's Observations

Sorting Finch Species

  • This interactive module allows students to explore concepts related to speciation by identifying which birds belong to one of two finch species.
Click the Finch to get started!

Evolution

  • The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

Evolution Argument

  • Why monkeys exist, who our common ancestor is, and how we branched away to become a new species.

Evolution Lab

  • What could you possibly have in common with a mushroom, or a dinosaur, or even a bacterium? More than you might think. In this Lab, you’ll puzzle out the evolutionary relationships linking together a spectacular array of species. Explore the tree of life and get a front row seat to what some have called the greatest show on Earth. That show is evolution.


How Do Organisms Change Over Time?