Nutrient cycles Vocabulary practice

What is the food manufacturing process in plants?

• respiration

• chlorophyll

• glucose

• photosynthesis

Cellular respiration is...

• the process by which cells break down glucose into energy. 
• the process by which cells break light down into energy. 
• the process by which cells communicate with other cells. 

How does the human body return carbon to the atmosphere in the carbon cycle?

• Waste products

• Photosynthesis

• Cellular respiration

• Formation of glucose

How does carbon get into the soil?

• when a human dies
• When a plant dies
• when an animal dies
• all of the above

The process of burning is called _____.

• decomposition
• combustion
• respiration

When a liquid changes to a gas?

• evaporation

• condensation

• precipitation

• transpiration

When a gas (water vapor) changes to a liquid

• condensation

• evaporation

• transpiration

• precipitation

What phase of the water cycle is #4?

• Evaporation

• condensation

• precipitation

• runoff

The process by which water moves through the soil

• Precipitation

• Percolation

• Condensation

• Evaporation

Which nitrogen cycle process is occurring when plant roots absorb ammonium ions and nitrate ions for use in making molecules such as DNA, amino acids, and proteins?

• nitrogen fixation

• nitrification

• denitrification

• ammonification

• assimilation