Question

An ecosystem is all of the ________ (living community) and the ________ (physical environment) in which the community lives.

Answer 1

I believe the answer is: Biotic ; abiotic

Let's take a forest for an example. The ecosystem that exist in the forest would be organisms such as Snakes, Birds, insects, and all the plants.
And the physical environment in this area would be things such as the soil, rock, air, the light, etc.