Olfaction, the Sense of Smell, Is Used by an Organism

question 53

Multiple Choice

Olfaction, the sense of smell, is used by an organism for which of the following purposes?

• A) Detection of predators
• B) Identification of food sources
• C) Mate identification
• D) all of the above

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Definitions:

Presynaptic Terminals

The part of a neuron that connects to another neuron and releases neurotransmitters to transmit signals across the synapse.

Axon

Tubelike structure of a neuron that carries the neural message from the cell body to the axon terminals for communication with other cells.

Myelin

Fatty substances produced by certain glial cells that coat the axons of neurons to insulate, protect, and speed up the neural impulse.

Neural Impulse

The electrical signal that travels along a neuron, enabling it to communicate with other neurons or muscles.