water cycle
nitrogen cycle
energy flow
carbon cycle
100

at least 90% of the water that returns to the atmosphere from terrestrial ecosystem does so through 

what is transporation 

100

what factor is most important in transitioning water between its, solids, liquids, and gas states

what is temperature 

100

how do primary producers obtain energy 

from the sun

100

name a organic molecule that carbon is found in 

what is carbon hydrates 

200

What are the major processes of Water Cycle

 what is Evaporation, Condensation, and Precipitation

200

how do humans increase the natural amount of carbon dioxide  in the atmosphere 

burning fossil fuels 

200

what is a example of primary consumers 

what is a grasshopper 

200

what molecule do all plants get their carbon from

what is CO2

300

what does evaporation change water into 

what is water vapor 
300

is there a possibility that phosphorus could run out 

no

300

how do secondary consumers obtain energy 

from the primary consumer 

300

what process adds carbon to the atmosphere 

what is cellular respiration 
400

What produces water vapor from plants?

 what is Transpiration.

400

what are nitrogen fixing bacteria so important to the nitrogen cycle 

what is protein necessary for life fixed by bacteria  

400

what do herbivores eat 

what is plants 

400

what process removes carbon from the atmosphere 

what is photosynthesis 

500

what is the first step of the water cycle 

what is evaporation 

500

how is nitrogen important in our live 

DNA,RNA breaks down waste 

500

what do a omnivore eat 

what is meat and plants 

500

when an animal or plant dies . What does the carbon go 

in the soil