Answer should be Achilles tendon
Interspecific competition = <em>different</em> organisms compete for a resource in the same ecosystem
intraspecific competition = <em>same</em> organisms compete for a resource in the same ecosystem
The reaction is C₆H₁₂O₆ + 6O₂ ⇒6H₂O +6CO₂
It is basically a combustion reactions.<span />