<span>The tundra is home to a variety of plants and animals.</span>
Answer:
Ethanol and carbon dioxide are products of anaerobic respiration.
Explanation:
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<span>The somatic nervous system is known as the voluntary nervous system, is a part of the peripheral nervous system. It consists of neurons that are associated with skeletal or striated muscle fibers. It affects voluntary signaling for many resion. A large part of the PNS is composed of 12 pairs of cranial nerves and 31 pairs of spinal nerves.</span>
Evolved from past organisms hope this helps!!!!