The Cycles Of Matter

What is the purpose of the biogeochemical cycles?

What is the name of the process that plants use to remove carbon from the atmosphere?

Which statement best describes a human influence on the biogeochemical cycles?

Thiobacillus denitrificans is a species of bacteria that obtains its energy from carbon dioxide and inorganic compounds such as nitrogen in its environment. It is used in bioremediation (natural cleansing) of groundwater that contains excess nitrate, allowing the nitrates to be removed. How does Thiobacillus denitrificans help bioremediate groundwater?

What would happen if there was no condensation stage in the water cycle?

Which process allows water to enter the atmosphere?

The ocean and the atmosphere serve as long-term storage areas for carbon and other nutrients. What are these storage areas called?

The phosphorus cycle differs from the biogeochemical cycles in that

Which of these nutrients can be found in all organic compounds?

Which best describes the negative impact of human water use?

Actinobacteria sp. are fermenting organisms (which do not use oxygen to breathe) referred to as chemoorganohetereotrophs. This means they break down organic material and convert it to inorganic material. Which part of the carbon cycle does this describe?

Which of the following would be a result of eutrophication of nitrogen?

Which are limiting nutrients for plant growth?

Plants use the process of__________ to remove carbon dioxide from the air.

Osteoporosis is a disease that affects the bones and leads to an increase in bone fractures. Osteoporosis is most likely to be affected by which cycle?