Describes how species die out and how new ones evolve to fill the vacant niches.
Learn about mass extinction by following Kasey-Dee Gardner in her quest to find out more about extinction.
Paul Andersen details the evolutionary processes of speciation and extinction. Stickleback evolution in Lake Loberg is used as example of rapid speciation. Adaptive radiation is illustrated using the Hawaiian honeycreeper. A brief discussion of extinctions and mass extinctions is also included.
Reviews how species die out and how new ones evolve to fill the vacant niches.
Scientists will some day be able to clone extinct animals. A park of Pleistocene megafauna might be a reality someday.
The Permian mass extinction was the biggest in Earth history. Scientists do not know what caused it but there are several possibilities.