Some Euglenids Are Only Able to Obtain Nutrition by Engulfing

question 68

Short Answer

Some euglenids are only able to obtain nutrition by engulfing particles and bacteria and are therefore considered _______.

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Definitions:

Synaptic Transmission

The process by which neurotransmitters are released by one neuron and received by another, allowing for communication between neurons.

Action Potential

A temporary reversal of the electrical polarity of the membrane of a nerve cell or muscle cell, leading to the transmission of signals along the nerve or muscle fiber.

All-or-none Law

The principle that the strength of a response of a nerve or muscle fiber is not dependent on the strength of the stimulus; if a stimulus is above a certain threshold, a nerve or muscle fiber will fire.

Action Potential

A brief electrical charge that travels down an axon, generating a nerve impulse as a response to a stimulus.