Ecosystems

Carbon

________ is an important element, because it is the basic building block of all living things.

Lithosphere

________- the rocky outer shell of Earth that makes up the Earths soil and landscape.

Commensalism

________= one organism benefits while the other is neither benefited nor harmed.

Biosphere

________- where living organisms can be found in the above three spheres.

Niche

________- the sort of role or job that a species plays in the very complex set of interactions that exist in an ecosystem.

Ecologists

________- a person who studies how different living things obtain their food and the relationships that organisms have between each other as a result of this primal need for energy.

Denitrification

________- when nitrogen is put back into the air.

3Consumers

Keywords: ________- organisms that can not make their own energy, and therefore, must consume other organisms and must undergo cellular respiration to obtain energy.

Parasitism

________= one organism benefits and the other is harmed.

Producers

________ are responsible for the process where the energy from the sunlight and abiotic components (nutrients) are combined to produce sugar (and oxygen is a byproduct of this), this process is more commonly known as photosynthesis.

Population

________- all members of the same species that can be found in the same area.

4Photosynthesis

________- the process by which the producers produce their own food.

Hydrosphere

________- all the water on, above or below the Earths surface.