<span>receptor level.
The somatosensory system is spread through all major parts of the vertebrate body. It consists both of sensory receptors and afferent neurons in the periphery</span>
The answer is...
<u>Closed</u> ecosystems do not experience any new input or output of energy and/or material.
I hope this helps! :)
<span>In codominance, two dominant alleles are expressed at the same time? Yes! Indeed they do this is totally true! :)</span>