Answer: The myelinated nerve fibres are enveloped with Schwann cells, it form a myelin sheath around the axon.
Unmyelinated nerve fibres is enveloped by a Schwann cell that doesn't form a myelin sheath around the axon, and found in autonomous and the somatic neural systems. Sympathetic Nervous system is part of Autonomous Nervous system.
Explanation:
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Answer: <em>The Bottleneck Effect</em>
Explanation:
A Bottleneck effect is the sharp reduction of numbers of a population through environmental effects or human activity. It causes a loss of the genetic pool and its variety; genetic variation lowers and increases with time as random mutations occur.
Exo is spitting big things out. endo is pulling big things in. diffusion is molecules moving from an area of high concentration to an area of low concentration until it is balanced
Answer/Explanation: Carbohydrates contain carbon, hydrogen and oxygen atoms with the ratio of hydrogen atoms to oxygen atoms in the ration of 2 hydrogen atoms to 1 oxygen atoms (2H : 10) such as in sucrose or table sugar C12H22011. It is Carbohydrates are a ready source of energy.
