biogeochemical cycles

Which biogeochemical cycle is occurring above?

• Carbon cycle

• Water cycle

• Rock Cycle

What is transpiration?

• Water falling from the sky

• Water runoff into a river

• Water from the leaves of plants into the air

What biogeochemical cycle is occuring?

• Water cycle

• Carbon Cycle

What is one way carbon is released into the atmosphere?

• Burning fossil fuels

• Evaporation of water

• Photosynthesis

What is this?

• Cellular Respiration

• Eutrophication

• Carbon Cycle

• Water Cycle

How is carbon stored on earth?

• Burning fossil fuels

• Underground in the form of fossil fuels

• Erupting Volcanoes

The burning of fossil fuels contributes to the carbon cycle in what way?

• Increases the amount of CO2 in the atmosphere

• Increases the amount of O2 in the atmosphere

• Decreases the amount of CO2 in the atmosphere

• Decreases the amount of O2 in the atmosphere

Which type of organism performs nitrogen fixation?

• Bacteria

• Viruses

• Humans

• Plants and phytoplankton

Examples of decomposers include:

• humans, dogs, and whales

• trees, tomato plants, and phytoplankton

• viruses

• fungi, worms, and bacteria

Which of these is NOT a part of the Nitrogen Cycle?

• nitrification

• photosynthesis

• denitrification

• fixation