The mitochondria is the site of respiration and energy production.
Glacial lakes are bodies of water that are influenced by the presence of glaciers. ... Glacial lakes are common features around the margins of glaciers and ice sheets, and often evolve from ice-contact lakes into ice-distal lakes as glaciers and ice sheets margins retreat and become spatially separated from the lake.
I would believe tertiary consumer...I'm learning about the same subject...Just...less complicated...