Environmental Nutrient Cycles

How does water leave the ocean?

• Precipitation

• Transpiration

• Evaporation

• Vapor transport

What is the 10% rule?

What is trophic collapse?

• An ecosystem collapses due to human intervention

• Climate change

• Too many predators

• Changing a trophic level damages the ecosystem

What is an invasive species?

• A non-native species

• A non-native species that damages the ecosystem

• A non-native species with no predators

• A native species

Which of these is NOT part of the nitrogen cycle?

• Combustion

• Decomposition

• Fixation

• Nitrification

Where does nitrogen fixation happen?

• The atmosphere

• In the body

• In the soil

• In the roots of a plant

Are you Trick or Treating this year?

• Yeah, I totally will.

• Nahhh... I'm too old for that.

Which cycle does cellular respiration fit into?

• The water cycle

• The carbon cycle

• The nitrogen cycle

Which cycle does photosynthesis fit into?

• The water cycle

• The carbon cycle

• The Nitrogen cycle

How do humans alter the carbon cycle?

• Fossil fuels

• Eating

• Destroying decomposers

• Respiration