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Biogeochemical Cycles

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Last updated almost 8 years ago
20 questions
Note from the author:
Biogeochemical Cycles
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Question 1
1.

The atmosphere is not invloved in which biogeochemical cycle?

Question 2
2.

The process in which water vapor is released from leaves into the atmosphere

Question 3
3.

Adding large amounts of fertilizers would most likely impact which biogeochemical cycle

Question 4
4.

Our atmosphere is 20.9% oxygen (O2). Which provides most of the oxygen in the atmosphere?

Question 5
5.

Which best explains why scientists can predict CO2 concentrations from plants density data?

Question 6
6.

Which of the following statements describes a role of plants in the water cycle?

Question 7
7.

What is the primary role of photosyntheis in the carbon cycle?

Question 8
8.

Which of the following processes removes oxygen from the atmosphere?

Question 9
9.

Which of the following statements best explains how forests reduce atmospheric CO2 levels?

Question 10
10.

During respiration and Photosythsis what are 3 primary elements that cycle within the plant?

Question 11
11.

A green plant is wrapped in an airtight plastic bag and placed in sunlight for one hour.

Question 12
12.

Which process describes nitrogen fixation?

Question 13
13.

Which of the following is a way that Carbon is returned to the abiotic (non-living) part of the atmosphere?

Question 14
14.

Some farmers use manure on their crop fields. How does this help the plants?

Question 15
15.

From your water distribution lab, What percent of the Earth's water is salt water?

Question 16
16.

From your water distribution lab, What is the percent of water that we can use? (Lakes and Streams, and Goundwater)

Question 17
17.

Nutrients that organisms need in large quantities is called

Question 18
18.

Nutrients circulate endlessly throughout the environment through complex cycles called?

Question 19
19.

Primary producers use the following nutrients during photosynthesis

Question 20
20.

The process by which organisms use oxygen to release the chemical energy in sugars and releases carbon dioxide and water is called?