Lessons below address this concept: Complex structures may be produced incrementally by the accumulation of smaller useful mutations.
Found 4 records.

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

 
Lesson Title (Description) Grade Level Lesson Type
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
Solving the Mystery of the Neandertals
An interactive and engaging web activity that compares the number of mutations in the mitochondrial genomes to determine ancestry and relatedness.
9-12 Web activity
Webcast: From butterflies to humans
In lecture four of a four part series, evolutionary biologist Sean Carroll uses the developmental genetics of insects to explain how old genes can learn new tricks and how this can help us understand human evolution.
This lecture is available from Howard Hughes' BioInteractive website.
9-12 Lecture
Webcast: Selection in action
In lecture two of a four part series, evolutionary biologist David Kingsley discusses how just a few small genetic changes can have a big effect on morphology, using examples from maize, dog breeding, and stickleback fish.
This lecture is available from Howard Hughes' BioInteractive website.
9-12 Lecture
 


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