Probably millions or billions.
On purpose or accidentally
They are highly productive and ecosytems, and are able to capture energy and provide food for many animals
by some ecological problems
Ecosytems
to gain insight into its complex phenomena
New Yorker ---- === ===
they help it by taking away the dead organisms
The Sun
Succession Increases the biodiversity of the ecosystem
three types of ecosystems are coatal, desert and forest
An ecosystem is a place where any organism lives. It can be as small as a hand full of soil or as big as the world.
Shrubland