Provides information on Charles Darwin, the first of the evolutionary biologists and the originator of the concept of natural selection.

An English naturalist who established that all species of life have descended over time from common ancestry. He proposed the theory of natural selection and evolution.

When the "Origin of Species" was published in 1859, the ambitions and scopes of science were dramatically expanding. "Origin of Species" marked the transition of biology from a prescience to a science. [4:04]

This site provides a fun way of exploring the Galapagos Islands through pictures, sound, videos, games, learning exercises, and more.

This encyclopedia article from Wikipedia on adaptive radiation discusses what it is, lists some examples, and distinguishes between the three different types of adaptive radiation.

This graphic from Ecology and Evolution of Darwin's Finches by Peter Grant presents data from the Galapagos Islands, showing that a severe drought put selective pressure on the population of Darwin's finches and resulted in a change in...

Biography of Louis Agassiz, a natural historian and a contemporary of Charles Darwin. He was most famous for developing his theory of an Ice Age. Agassiz argued vehemently against the theory of evolution, based on his interpretations of...

In this interview filmed for Evolution: "Darwin's Dangerous Idea," biologist Chris Schneider discusses the relationship between conservation and speciation.

This video segment from Evolution: "Darwin's Dangerous Idea" shows biologists Chris Schneider and Tom Smith studying hummingbirds and other animals in Ecuador. Their research is investigating the processes by which new species are formed.

A detailed biography of Alfred Russel Wallace, known especially for his theoretical work on evolution, which was published prior to Charles Darwin's own theory. Questions are posed throughout about the nature of scientific research.

What do Charles Darwin, Michael Jordan, and Yoda have in common? They, like many other historical and fictive individuals, are bald. Scientists have long pondered, why do some people lose their hair, and how can we bring it back? This...

A biography of Thomas Henry Huxley, a contemporary of Charles Darwin, and a strong supporter of his theory of evolution.

The Biodiversity Heritage Library is a collaborative effort by ten major natural history institutions in the U.S. to bring together their biodiversity resources collected in the past 200 years into a single online space. You can view...

The National Humanities Center presents collections of primary resources compatible with the Common Core State Standards - historical documents, literary texts, and works of art - thematically organized with notes and discussion...

What is evolution? What is natural selection? How has our understanding of evolution changed since Darwin's day? You will find the answers to these questions and more in this basic explanation of the evolutionary process.

[Free Registration/Login may be required to access all resource tools.] Why connect biology and geography? This module will provide resources for students to understand continental drift theory, human population and its distribution, and...

Explore amazing pictures of the Galapagos Islands while learning about the geography and geology of these beautiful islands.

Scientific article explaining what natural selection is, and how it manifests itself through genetics and from generation to generation. Natural selection is compared to genetic drift, both of which cause evolution to occur. The limits...

Upper level discussion of several of Mendel's experiments and laws.

Through informational text, online lab activities, virtual simulations, and video clips, students study the concepts of biological evolution.

Digital repository of information and documentation of a controversy in 1920s North Carolina over the teaching of evolution. Includes a timeline of events, access to primary sources addressing both sides of the debate, and biographies of...

Scientists can still be surprised! The genetic ingredients that assemble us are similar to those that assemble a fly. NOVA explains the emerging science of evolution developmental biology. This is the science that studies genes at the...

A biography of the remarkable life of Thomas Huxley, who began his life in abject poverty, but through self-education and dedication, became a star in world science.

The 19th century saw a rapid technological change, together with paradigm shifts in scientific understanding. These articles research how authors responded to the new possibilities afforded by technology and science.