1. What role have the numerous mass extinctions played in the evolutionary history of life of earth?
2. Among Mary's many contributions to evolution and evolutionary theory is the biological species concept - probably the most widely accepted "definition" of a species that we currently possess. What is the biological species concept and why does it answer a question that Darwin himself asked, "Why do living organisms always assort themselves into species?"
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1. They have opened up vast numbers of ecological/environmental niches for new evolutionary adaptations. So they so to speak reset or reboot evolution - give it a new start with a new set of ...
The role of mass extinctions in the evolutionary history of life of earth is deliberated.
Biology - Prokaryotes & Eukaryotes Biodiversity, Evolution, Fossils
Briefly review how prokaryotes and eukaryotes provide different forms of biodiversity and why.
What does each category tell you about evolution; pick one from an early era and one from today or recent times:
Review two species of the seas
Review two species on land and water
Review two species on land
Review two species who move through air.
What do we see when we follow the history and energy flow of life through the patterns of fossils?View Full Posting Details