Lessons below address this concept: Through billions of years of evolution, life forms have continued to diversify in a branching pattern, from single-celled ancestors to the diversity of life on Earth today.
Found 8 records.

Browse concepts for grades: K-2 | 3-5 | 6-8 | 9-12

 
Lesson Title (Description) Grade Level Lesson Type
A name by any other tree
Phylogenetics has affected almost every area of biology - even the most basic one: how we classify organisms. Find out how phylogenetic classification works and what its advantages are.
This article appears at SpringerLink.
9-12 Article
Discovering the great tree of life
This short video introduces basic concepts in phylogenetics and provides a model to help understand lineage-splitting.
This resource is available from the Peabody Museum of Natural History
9-12 Video
Evolutionary trees and patterns in the history of life
Scientists use many different lines of evidence to reconstruct the evolutionary trees that show how species are related.
This article is located within Evolution 101.
9-12 Tutorial
From soup to cells - The origin of life
Delve into our current understandings of the origins of life and how scientists are able to investigate the details of such ancient events.
This article is located within Evolution 101.
9-12 Tutorial
Interview: Nicole King on the origins of multicellularity
Biologist and UC Berkeley Professor Nicole King explains how she investigates a major transition in evolutionary history: the evolution of multicellular life forms from unicellular ones.
This article appears at ActionBioscience.org.
9-12 Interview with Scientist
It takes teamwork: How endosymbiosis changed life on Earth
You might be surprised to learn that descendents of an ancient bacterium are living in every cell of your body! Find out how endosymbiosis factored into the evolution of your own cells.
9-12 Article
Learn about the tree of life
This tutorial on phylogenetics explains the basics of tree-thinking and provides many examples from real organisms.
This resource is available from the Peabody Museum of Natural History
9-12 Tutorial
Similarities and differences: Understanding homology and analogy
This interactive investigation explains what homologies and analogies are, how to recognize them, and how they evolve.
9-12 Tutorial
 


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