The natural world is a finely-tuned balance of biotic (living) and abiotic (nonliving) components that shape our environments. Various biotic factors directly affect processes like population growth, ...

Ecosystems can be thought of as a battleground for these elements, in which species that ... Any compartment could represent a biotic or abiotic component: a fish, a school of fish, a forest ...

An ecosystem is a natural environment where ... Ask students to identify biotic and non-biotic elements of the environment outside the classroom and have a guess at the creatures that live there.

(2007), restoration is generally needed to overcome reductions in the following elements of an ecosystem ... have significantly depleted important biotic species, destroyed wetland and seagrass ...