WorksheetsInterdependence of Ecosystems
Total questions: 10
Worksheet time: 12mins
What is an invasive species?
An organism that is new to an environment that has positive effects on the environment.
An organism that is native to an environment that has negative effects on the environment.
An organism that is new to an environment that has negative effects on the environment.
An organism that is native to an environment that has positive effects on the environment.
Species that are clearly critical to the functioning of an ecosystem are known as
biodiversity
keystone species
main species
native species
Which statement is an example of how carbon moves through a food chain as part of the cycle?
Producers release carbon dioxide, and consumers take it it.
Producers take in carbon dioxide, and consumers release it.
Producers take in carbon from the soil, and they release it when they decompose.
Producers release carbon into the soil, and consumers take it in from the soil.
Animals get nitrogen by ____________.
breathing air
eating plants
dying
being struck by lightning
Algal blooms usually occur when nitrogen increases in the
air.
water.
soil.
Which of the following is considered a major carbon sink?
Deserts
Volcanoes
Oceans
Urban areas
