Cone snails release four different toxins, each capable of paralyzing a fish. An animation demonstrates that the toxins work independently, and then explains the impact of this redundant system on the nervous system.

Concepts

toxic chemicals, neurons, synapse

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Additional Tags

science

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Instructional Ideas

• Discuss the benefits of the four-toxin attack
• Find the similarities or differences in the causes of human paralysis

Classroom Considerations

• Relies on prior knowledge of Prialt and neuron synapses

Pros

• Provides downloadable files in both large and small sizes
• Includes a full transcript for ease of note taking

Cons

• None

Common Core

SL.6.2 SL.7.2 SL.8.2 SL.9-10.2 SL.11-12.2