. Within ecosystems, the process of (1)_
takes
place. For this to happen successfully, there has to be
an originating (2)_ one example being a (3)_
Following the growth of this organism, another
will typically follow, like (4) _. For everything to
grow and develop successfully, organisms rely on one
another and develop relationships. Symbiotic
relationships of all types occur, for example (5)_