BIO 3400 1nd Edition Lecture 1 Outline of Last Lecture I N A Outline of Current Lecture II Evolutionary Biology III Major Questions IV Levels of Evolutionary Biology V Ecology VI Levels of Ecology VII Evolution and Ecology are Closely Linked Current Lecture What is Evolutionary Biology The study of the processes that produced the diversity of life on Earth Major questions Where did Earth organisms come form Where are there so many different kinds Why do organisms have the features they do Levels of Evolutionary Biology Microevolution changes in gene frequencies and trait distributions that occur within populations and species Macroevolution large evolutionary change typically refers to the evolution of differences among populations that would warrant their placement in different genera or higher level taxa What is Ecology The study o relationships between organisms and their environment Molles 2010 The scientific study of the interactions that determine the distribution and abundance of organisms Krebs 1972 These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Levels of Ecology Individual organisms how do otters thermoregulate in an ocean environment Populations what factors determine otter population growth Interactions how do otter predation influence urchin populations Communities what factors influence the species diversity in kelp forests Ecosystem how does kelp harvesting influence energy cycling in the kelp forest community Biosphere what role does atmospheric CO2 play in ocean acidification Evolution and Ecology are Closely Linked Population growth and regulation Predator prey relationships Ecological niches and adaptive radiations
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