Biogeochemical Cycles: Nutrient Cycles

Biogeochemical Cycles: Nutrient Cycles

Poll

True or False: The Nutrient Cycle moves abiotic factors throughout a system.

• True

• False

Multiple Choice

What is the largest reservoir for water?

• the ocean

• rocks and minerals

• the atmosphere

• glaciers

Multiple Choice

The water cycle is driven by

• water

• wind

• the sun

• Earth's rotation

Multiple Choice

When water turns to vapor and rises into the atmosphere from the ocean, it is called

• condensation

• transpiration

• evaporation

• sublimation

Multiple Choice

In the water cycle, at which point does water enter?

• In the clouds

• In the ocean

• Groundwater

• Through rain, snow, sleet and hail

• There is not a starting point

Multiple Choice

The movement of water from the atmosphere to land is called

• evaporation

• transpiration

• groundwater storage

• precipitation

Multiple Choice

What is the only process that removes carbon from the atmosphere?

• combustion
• cellular respiration
• photosynthesis
• decomposition

Multiple Choice

Human processes mainly contribute to the

• release of carbon dioxide in the atmosphere

• decrease of the total amount of carbon found on Earth

• depletion of carbon dioxide reserves in the atmosphere

• increase the amount of carbon contained in rock materials.

Multiple Choice

Animals use O₂ in the process of _____ to make more CO₂

• photosynthesis

• fermentation

• cellular respiration

• decomposition

Multiple Choice

Plants use CO₂ in the process of _____ to make _____ and O₂

• photosynthesis, greenhouse gases

• photosynthesis, glucose

• cellular respiration, greenhouse gases

• cellular respiration, glucose

Multiple Choice

Humans obtain carbon by eating plants or eating other animals. Why do humans require carbon?

• For cellular respiration.

• For effective removal of CO₂ gas.

• For synthesis of all families of macromolecules.

• For synthesis of lipids and carbohydrates only.

Multiple Choice

Human activity can increase CO₂ levels in the atmosphere through

• Photosynthesis

• Burning of fossil fuels

• Planting more trees

• Removing nitrogen from fertilizer.

Multiple Choice

According to the diagram, deforestation

• Can release carbon dioxide gas back into the atmosphere.

• Directly creates fossil fuels.

• Fixes carbon atoms in the soil,

• Removes dissolved carbon dioxide from lakes and rivers.

Multiple Choice

Carbon dioxide is added to the atmosphere by

• Burning fossil fuels 
• Cellular respiration
• Decomposing organic matter
• All answers are correct

Multiple Choice

Why do living things need nitrogen?

• To get energy

• To make amino acids

• To make proteins

• To make proteins AND amino acids

Multiple Choice

A particular golf course is using large amounts of nitrogen fertilizer. What process could move this nitrogen into a local stream?

• volatilization
• nitrogen fixation
• runoff
• ammonification

Multiple Choice

What is the largest reservoir for nitrogen?

• the ocean

• rocks and minerals

• the atmosphere

• bacteria

Multiple Choice

What converts nitrogen into a useable form for plants and animals?

• bacteria
• fungi
• rain

Multiple Choice

Where is the largest reservoir for the phosphorus cycle?

• rocks and minerals

• the ocean

• the atmopshere

• fossil fuels

Multiple Choice

Excess phosphates from fertilizer runoff can

• be used to synthesize lipids.

• be absorbed directly by phosphate rock.

• be decomposed and returned to large bodies of water.

• provide nutrients for algal blooms, which can cause eutrophication.

Multiple Choice

Which nutrient is not cycled through the atmosphere?

• carbon
• nitrogen
• phosphorous
• water

Multiple Choice

In an ecosystem, what happens to the atoms of certain chemical elements, such as carbon, oxygen, and nitrogen?

• They move into and out of living systems.

• They are only found in abiotic factors.

• They move out of living systems and do not return.

• They move into living systems and remain there.

Multiple Choice

Describing the cycling of elements between living organisms and the non-living environment.

• Chemical

• Biological

• Geological

• Biogeochemical