Ranked #1
15 - Phylogeny and Systematics
15 - Phylogeny and Systematics
The Tree of Life must be discovered through rigorous analysis. Genetic information is crucial because appearances can be... Read more
27 Oct 2009
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Ranked #2
29 - Island Biogeography and Invasive Species
29 - Island Biogeography and Invasive Species
Geography is very important in ecology. Two major systems have been designed to model this, island biogeography and meta... Read more
27 Oct 2009
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Ranked #3
30 - Energy and Matter in Ecosystems
30 - Energy and Matter in Ecosystems
The movement of matter and energy around the planet is very important, and its study draws on geology, and meterology in... Read more
27 Oct 2009
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Ranked #4
28 - Ecological Communities
28 - Ecological Communities
The idea of ecological communities has changed tremendously over the past 40 years. The classical view stated that there... Read more
27 Oct 2009
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Ranked #5
17 - Key Events in Evolution
17 - Key Events in Evolution
The history of life and evolution has been characterized by several key events. These events can be grouped as new hiera... Read more
27 Oct 2009
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Ranked #6
26 - Population Growth: Density Effects
26 - Population Growth: Density Effects
The growth of populations is held in check by several factors. These can include predators, food and other resources, an... Read more
27 Oct 2009
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Ranked #7
24 - Climate and the Distribution of Life on Earth
24 - Climate and the Distribution of Life on Earth
This lecture provides an overview of the physical aspects of earth's biomes. Temperature, water, latitude, and altitude ... Read more
27 Oct 2009
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Ranked #8
27 - Interspecific Competition
27 - Interspecific Competition
Competition among species, or inter-specific competition, can have an even greater effect on selection than competition ... Read more
27 Oct 2009
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Ranked #9
14 - Species and Speciation
14 - Species and Speciation
Speciation is the process through which species diverge from each other and/or from a common ancestor. There are several... Read more
27 Oct 2009
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Ranked #10
13 - Sexual Selection
13 - Sexual Selection
Sexual Selection is a component of natural selection in which mating success is traded for survival. Natural selection i... Read more
27 Oct 2009
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Ranked #11
23 - The Logic of Science
23 - The Logic of Science
While there are many differences between modern science and philosophy, there are still a number of lessons in modes of ... Read more
27 Oct 2009
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Ranked #12
21 - Evolutionary Medicine
21 - Evolutionary Medicine
Evolution plays an important though underutilized role in medicine. Evolution guides how our bodies respond to various t... Read more
27 Oct 2009
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Ranked #13
19 - The Fossil Record and Life's History
19 - The Fossil Record and Life's History
The fossil record holds a lot of evolutionary information that can't be seen on shorter time scales, although the more r... Read more
27 Oct 2009
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Ranked #14
18 - Major Events in the Geological Theatre
18 - Major Events in the Geological Theatre
Geology and climate have shaped the development of life tremendously. This has occurred in the form of processes such as... Read more
27 Oct 2009
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Ranked #15
20 - Coevolution
20 - Coevolution
Coevolution happens at many levels, not just the level of species. Organelles such as mitochondria and chloroplasts serv... Read more
27 Oct 2009
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