Darwin's Great Voyage of Discovery

• The fossil record documents the biodiversity of the past.
• Occupying new environments can provide new selection pressures and new opportunities, leading to speciation.
• Scientists pose, test, and revise multiple hypotheses to explain what they observe.
• Scientists use only natural causes to explain natural phenomena.
• We can learn about the natural world using our senses and extensions of our senses.
• Scientific ideas are developed through reasoning.
• Science is a human endeavor.
• The story of the evolution of living things is always being refined as we gather more evidence.
• Our understanding of life through time is based upon multiple lines of evidence.
• Scientists use the geographic distribution of fossils and living things to learn about the history of life.

• Nature of Science