Conduction of Action Potentials Along an Axon Is

question 68

Multiple Choice

Conduction of action potentials along an axon is

• A) instantaneous.
• B) decremental.
• C) nondecremental.
• D) entirely passive.
• E) always saltatory.

---

Definitions:

Shared Derived Trait

A characteristic that is present in an ancestral species and is shared exclusively by its evolutionary descendants.

HMS Beagle

A British Royal Navy ship on which Charles Darwin made his famous voyage, providing key observations that led to the development of his theory of natural selection.

Darwin

Charles Darwin, a 19th-century naturalist best known for his contributions to the theory of evolution through natural selection.

Galápagos Island Finches

A group of about 15 species of finches from the Galápagos Islands, known for their varied beak shapes and sizes, which inspired Charles Darwin's theory of natural selection.