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Why are there so many different species in the tropics? This news brief, from June 2006, suggests why: warmer weather may be linked to a quicker pace for evolution.
UC Museum of Paleontology
Use this resource to relate evolutionary concepts to the topic of ecosystems (or get more suggestions for incorporating evolution throughout your biology syllabus). This article includes a set of discussion and extension questions for use in class. It also includes hints about related lessons that might be used in conjunction with this one. Get more tips for using Evo in the News articles in your classroom.
- Rates of evolution vary.
- Evolution results from natural selection acting upon genetic variation within a population.
- A hallmark of science is exposing ideas to testing.
- Scientists can test ideas about events and processes long past, very distant, and not directly observable.