Describes how species die out, and how new ones evolve to fill the vacant niches.
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.
Students explore various hypotheses concerning the extinction of the woolly mammoth.
Quiz on the Extinction and Radiation of Life
A list of student-submitted discussion questions for Extinction and Radiation of Life.
To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.
Students will compare optimal characteristics for long-term survival with optimal characteristics for survival of a mass extinction by looking at data from the past; students will use this background research to analyze the possibility of a modern day mass extinction.
Learn that dinosaurs didn't actually go extinct; one line evolved into birds.
Illustrated mind map for Extinction and Radiation of Life.
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