Patterns of Associations
Use this “Geologic Time Machine” to click on any eon, era, period, or epoch to learn about the living organisms at any point in the past 600 million years.
Visit the Geologic Time Machine web site
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Spatial Distribution
Use cephalopod distributions in the world ocean to understand the three-dimensional nature of the ocean realm better.
Visit the Tree of Life--Cephalopod Ocean Habitats web site
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Evolutionary Relationships and Taxonomic Classification
The University of California's Museum of Paleontology provides this history of evolutionary thought through the biographies of key players.
Visit the A History of Evolutionary Thought web site
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Evolutionary Relationships and Taxonomic Classification
“Biodiversity,” presented by the United Nations Conference on Trade and Development provide a comprehensive summary of life on Earth.
Visit the Biodiversity web site
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Evolutionary Relationships and Taxonomic Classification
Biology Online provides this tutorial on the passing of genetic information to offspring through reproduction.
Visit the Meiosis--the Genetics of Reproduction web site
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Evolutionary Relationships and Taxonomic Classification
“Journey into Phylogenetic Systematics” is a tutorial the introduces students to the methodology of determining the interrelationships between species, along with a summary of its implications and the need for cladistics in modern science.
Visit the Journey into Phylogenetic Systematics web site
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Evolutionary Relationships and Taxonomic Classification
“The Tree of Life” is a collaborative project by biologists from around the world (it includes more than 2600 web pages) that provides information about the diversity of organisms on Earth, their history, and characteristics.
Visit the The Tree of Life web site
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Trophic Relationships
The web site Global Change provides this primer on photosynthesis and the functioning of cells.
Visit the Global Change web site
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Trophic Relationships
This environmental biology web site presents a comprehensive description of how energy moves through food chains.
Visit the Ecosystems web site
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