Nutrient Cycles

Nutrient Cycles

How does Carbon, Nitrogen, and Water Move through ecosystems

Multiple Choice

Which is a biological process that stores carbon?

• Photosynthesis

• Cellular Respiration

• Mining

Multiple Choice

Which is a biological process that releases carbon?

• Photosynthesis

• Cellular Respiration

• Mining

Multiple Select

Which are human activities that can release carbon into an ecosystem?

• Mining

• Photosynthesis

• Cellular respiration

• Nitrogen Fixation

• Burning Fossil Fuels

Multiple Choice

Can plants use nitrogen gas directly from the air?

• Yes

• No

Multiple Choice

What is the name of the process that fixes nitrogen into a form that can be used by plants?

• Nitrogen Fixation

• Fixing Nitro

• Denitrification

Multiple Choice

Where do animals get their nitrogen

• The Air

• The Soil

• Bacteria creates it in a form they can use

• From the plants and animals they eat

Multiple Choice

What is it called when water falls from the sky?

• precipitation

• run off

• evaporation

• transpiration

Multiple Choice

How does water enter the atmosphere?

• precipitation

• run off

• evaporation

• transpiration

Multiple Choice

How does the water go from an organism into the ecosystem?

• excreted as waste

• It just does

• from them drinking water

Multiple Choice

What is the rate at which organic matter is created by producers called?

• Primary Productivity

• Limiting Nutrient

• Excess Nutrient

Multiple Choice

What is a nutrient called when it limits the amount of primary productivity in an ecosystem?

• Primary Productivity

• Limiting Nutrient

• Excess Nutrient

Multiple Choice

What is it called when an abundance of a nutrient causes rapid growth?

• Primary Productivity

• Limiting Nutrient

• Excess Nutrient