Presentation on theme: "DARWINS THEORY of NATURAL SELECTION (Survival of the Fittest)"— Presentation transcript:
DARWINS THEORY of NATURAL SELECTION (Survival of the Fittest)
HOW DID DARWIN EXPLAIN THE DIFFERENCES BETWEEN SPECIES ON THE GALAPAGOS ISLANDS AND ON MAINLAND SOUTH AMERICA? HOW DOES NATURAL SELECTION LEAD TO EVOLUTION? HOW DO NEW SPECIES FORM? In this section you will want to find the answers for:
In 1831, Charles Darwin set sail on the HMS Beagle for a 5 year trip around the world Darwin collected and studied numerous marine organisms during this famous voyage...
Observations he made on the Beagle expedition also provided him with the ideas that he later used to formulate his theory of evolution and natural selection.
Group of similar organisms that can mate and produce offspring VOCABULARY a well tested concept (idea) that explains a wide range of observations SCIENTIFIC THEORY : SPECIES: What is the difference between an idea, theory and fact?
DARWINS THEORY : Species gradually change over many generations and become better adapted to new conditions