Organisms that break down dead matter are __________________.

A mouse is prey to ____________ such as hawks and owls.

Gardener scan recycle plant materials by _________________.

Soil is an example of an ________________ in an ecosystem.

The burning of fossil fuels releases ______________ into the air.

A hyena is considered a ________________ because it feeds only on the remains of dead animals.

Snow, rain, sleet, and hail are all examples of _____________________.

Denitrifying bacteria play an important role in the _________________.

A plant is an example of a(n) _________________ in an ecosystem .

What species eats and the kind of environment it needs to live in are both factors that help to determine that species' ________________.

A mountain lion is a(n) ________________ because it eats only other animals.

All deer living in a forest ecosystem make up a(n) __________________.

Energy is passed from producers to consumers to decomposers in a(n) ________________.

Evaporation is a process that occurs in the _________________.

Snake, lizard, bird, deer, and raccoon populations help to make up a prairie __________________.

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