I think the correct answer from the choices listed above is option B. With regards to environmental changes, they may affect several populations in an ecosystem because it is where living organisms dwell and they try to adjust accordingly to these changes. Hope this answers the question.
Answer:
Teritoriul României este organizat, sub aspect administrativ, în unități administrativ-teritoriale care sunt comunele, orașele și județele.
I'd say its B. able to develop self-contained ecosystems.
