D.
when revising your professional development plan
Normally a 10× drop for each trophic level, so I'd say 2,000 kilocal.
Mercury is the hottest inner planet.
The excretory system allows animals to remove metabolic waste their bodies. Many of these substances are potentially toxic. in Mammals nitrogenous toxins like urea are expelled through liquid urine while in reptiles and birds the nitrogenous compounds are expelled as a solid. This allows birds and reptiles to use less water in the processes of metabolism.
It’s usually changes it into marble!!