C.solid surface
I think it’s wrong
But mark me as brainliest
<span>That is provided by the vestibular apparatus, which in each ear includes the utricle,saccule, and three semicircular canals. Hope this helped :)</span>
The energy not used by an original organism being consumed is being transferred "flowing" to the organism that is consuming the original one, thus being the flow of energy throughout an ecosystem.