If you're talking about something that lives off of eating others to survive, this would be considered a heterotroph
If you're instead asking for what hunts others as prey, then you'd consider this a predator
<em>If this is a multiple choice question, try looking for one of those two as the answer.</em>
An impulse relayed along a myelinated axon jumps from node of Ranvier to node of Ranvier.
Answer:
Option A... Because cholesterol prevents membrane from freezing and maintain membrane fluidity
B. It is shaped irregular and it supports the tongue and provides attachment sites for muscles of the tongue, neck, and pharynx.