Well lipids have phospholipids sticking out while carbs are connected like this i don’t rlly know how to explain it better but here is a pic that can help
It depends on the facts and how they will change
Explanation:
Biome and the ecosystem are the words that are sometimes applied interchangeably to explain a particular kind of environment.
The biome represents the geographical region that has the same kind of ecological atmosphere, climate and mostly consistent collection of the species and it is made of a large number of ecosystems.
An ecosystem represents a particular element of the biome and a species that nearly interact in it.
Thus the biome is the collection of various types of ecosystems.
Petrochemicals include many things, I would say All of the above. Hope this helped! :)