Ecosystem Vocabulary Test Worksheet

A living thing in an ecosystem, such as a plant, an animal, or a bacterium.
The effects on the ecosystem that are a result of the nonliving parts of that ecosystem.
The role of an organism in an ecosystem.
One of Earth's large ecosystems, each with its own kind of climate, soil, plants, and animals.
The average weather pattern of a region over time.
The boundary where a freshwater ecosystem meets a saltwater ecosystem.
A specific classification of a plant or animal that is not native to an ecosystem.
The overlapping food chains in an ecosystem.
The continuous movement of water between Earth's surface and the air, changing from liquid into gas into liquid.
Anything that controls the growth or survival of a population.
The path that energy and nutrients follow in an ecosystem.
The continuous trapping of nitrogen gas into compounds in the soil and its return to the air.