The largest ecosystem of the Earth is ___________.
Our ecosystem is getting endangered, the survival of our very earth is becoming a big question so as a responsible citizen, what should be our work to save our mother nature?
__ is a group of ecosystem.
An example of a biotic factor in a forest ecosystem is:
Boundaries between one ecosystem and another are indistinct and overlapping. Therefore, all ecosystems on the earth are joined together to form a single global ecosystem known as
The __________ zone is a shallow zone found near the shore of a freshwater ecosystem.