Lessons below address this concept: Biological evolution accounts for diversity over long periods of time.
Found 12 records.

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

 
Lesson Title (Description) Grade Level Lesson Type
Anolis Lizards
Students "take a trip" to the Greater Antilles to figure out how the Anolis lizards on the islands might have evolved.
9-12 Classroom activity
Classification and Evolution
Students construct an evolutionary tree of imaginary animals (Caminalcules) to illustrate how modern classification schemes attempt to reflect evolutionary history.
9-12 Classroom activity
Evo in the news: What has the head of a crocodile and the gills of a fish?
This news brief, from May 2006, reviews what is likely to be the most important fossil find of the year: Tiktaalik helps us understand how our own ancestors crawled out of the water and began to walk on dry land.
9-12 Article
Evo in the news: Where species come from
Lush tropical ecosystems house many times more species than temperate or Arctic regions. This news brief from November 2006 discusses the evolutionary explanation for this diversity trend and reveals why threats to tropical ecosystems may threaten diversity on a global scale.
9-12 Article
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
Interactive investigation: The arthropod story
This interactive investigation delves into the amazing world of the arthropods and examines their success and their evolutionary constraints.
9-12 Web activity
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
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
Species, speciation and the environment
Niles Eldredge gives a historical overview of scientists' thinking on the process of speciation, along with modern perspectives on this issue.
This article appears at ActionBioscience.org.
9-12 Article
Visualizing life on Earth: Data interpretation in evolution
This web-based module leads students through an exploration of the patterns in the diversity of life across planet Earth. Students are scaffolded as they practice data interpretation and scientific reasoning skills.
9-12 Web activity
What did T. Rex Taste Like?
In this web-based module students are introduced to cladistics, which organizes living things by common ancestry and evolutionary relationships.
9-12 Web activity
 


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Spanish translation of Understanding Evolution For Teachers from the Spanish Society of Evolutionary Biology.