___________ Experienced a Mass Extinction at the End of Cambrian

question 13

Multiple Choice

___________ experienced a mass extinction at the end of Cambrian, from which they later recovered.

• A) Graptolites
• B) Brachiopods
• C) Trilobites
• D) Conodonts

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Definitions:

Myelinated

Refers to nerve fibers that are covered by a protective fatty layer known as myelin, which helps in faster transmission of electrical impulses.

Nervous Conduction

The process by which nerve cells (neurons) transmit signals through the nervous system.

Synaptic Integration

The process by which multiple synaptic potentials combine within a single neuron, critically influencing the neuron's output.

Synapse

The junction between neurons through which nerve impulses pass, facilitated by the release and reception of neurotransmitters.