They do, but everything is connected somehow.
Biosphere.
area
Borders.
Sacromeres
It means "customs", as in control of borders and import/export.
it doesnt
no,the global ecosystem is connected one way or another
maquiladoras are guns found in hidden ecosystems
Ecosystems
Ecosystems that are established on land (as opposed to Marine ecosystems).
Saltwater/Marine ecosystems and Freshwater ecosystems.
they are both marine ecosystems
Stable ecosystems.
We have ecosystems to live. Ecosystems give us energy,oxygen and many other things. Earth is the only planet which have ecosystems.
they are ecosystems!
this is about ecosystems!
Ecosystems are formed by the biophere.