Answer:
1) limbs
2) Stegocephalia
3) 367.5 million years ago
4) Fishes
5) Fossils
6) 367.5 million years ago
7) Fishes
8) unearthed or preserved
The mitochondria is the site of respiration and energy production.
Red blood cells and white blood cells. Muscle cells and some others
1 atom of sulfur is represented
I think it's D, Phosphorus Cycle
