Exam 10: Cycles and Patterns in the Biosphere

Animal wastes on the ground form a part of the ________ cycle.

Plants are eaten by ________.

The coconut palm was deliberately planted in the Atlantic region by humans-thus humans have affected the distribution of the species.

For about the last ________ years, Earth has had about the same balance of chemical components that now persists.

Which of the following includes NON-LIVING components?

Which of the following is the form of nitrogen that is readily available for plants?

Carbon dioxide and water and light combined to create carbohydrates is a vital portion of which cycle?

In the early days of Earth history, ________ was poisonous to living cells; now this substance is required by living cells.

A(n) ________ is another term for a secondary consumer.

The interrelated web of cycles in the world is known as biogeochemical cycles.

Which biogeochemical cycle exists because of the work of bacteria?

The basic process whereby plants produce stored chemical energy is called ________.

The main carbon cycle is conversion from carbon dioxide to living matter and back to carbon dioxide.

Humans fit into the food pyramid as ________.

Amongst the biogeochemical cycles, which one can be said to operate rapidly?

Of the climatic factors, ________ is usually the most limited in its impact on biotic distributions.

The Linnaean classification system is based mainly on ________.

Wildfire can be said to ________.

The ________ cycle is one of Earth's biogeochemical cycles upon which humans have had a major impact.

Biological amplification is most closely associated with ________.