Lessons below address this concept: Similarities among existing organisms provide evidence for evolution.
Found 11 records.

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

 
Lesson Title (Description) Grade Level Lesson Type
Comparison of Human and Chimp Chromosomes
Students observe that the banding patterns seen on stained chromosomes from humans and chimpanzees show striking similarities. Possible evolutionary relationships are explored, as are the chromosomes and relationships of other apes.
9-12 Classroom activity
Evo in the news: The new shrew that's not
This news brief from March of 2008 describes scientists' discovery of a new mammal species, a giant elephant shrew. Though elephant shrews resemble regular shrews, recent genetic evidence suggests that elephant shrews actually sprang from a much older (and perhaps more charismatic) branch of the tree of life - the one belonging to elephants and their relatives.
9-12 Article
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
Investigating Common Descent: Formulating Explanations and Models
Students formulate explanations and models that simulate structural and biochemical data as they investigate the misconception that humans evolved from apes.
9-12 Classroom activity
Lines of evidence: The science of evolution
The theory of evolution is broadly accepted by scientists — and for good reason! Learn about the diverse and numerous lines of evidence that support the theory of evolution.
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
The Evolution of Flight in Birds
This interactive module examines evidence from the fossil record, behavior, biomechanics and cladistic analysis to interpret the sequence of events that led to flight in the dinosaur lineage.
9-12 Web activity
Webcast: Fossils, genes, and embryos
In lecture three of a four part series, evolutionary biologist David Kingsley examines the original objections to Darwin's theory and shows how modern evidence supports the theory.
This lecture is available from Howard Hughes' BioInteractive website.
9-12 Lecture
Webcast: The science of evolution
Evolutionary biologist Sean Carroll introduces the field of Evo-Devo, using examples from fruit flies, butterflies, and icefish to explain how this research is transforming our understanding of evolution.
This video is available from the New York Times website.
9-12 Video
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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