Nonliving (abiotic factors) include _____, _____ , ______ , and ___.

The living components of an ecosystem include: ____ and ____.

A living thing can live only in an environment that meets its ____.

All the living things in an ecosystem make up a ________.

A _________ is all the members of one kind of plant or animal.

__________ play the role of producers.

A _________ is a living thing that makes its own food.

Plants use energy from ______ to make food.

Animals are _________________.

All consumers depend on ________ for food.

______________ are organisms that break down the remains of dead animals.