I would say D the Billingsella Corrugata, it IS in the oldest recorded time line, so by theory, it's the oldest (Don't quote me on that, I'm not %100)
Answer:
Freshwater, Ocean Water, and Terrestrial.
Explanation:
These are the broadest 'three types of ecosystems' that come to mind.
Answer: Asia
I’m assuming you wanted the continent
Explanation:
-Fold: bend in the rock strata
-Joint: a break of natural origin
-Fault: a crack in the Earth’s crust
-Syncline: forms when rocks are compressed
-Anticline: arch-shaped fold, oldest beds are at core
