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- Multiple ChoicePlease save your changes before editing any questions.
The process in which water vapor is released into the air through the stoma on the leaves of plants is called __________.
Evaporation
Transpiration
Precipitation
Condensation
- Multiple ChoicePlease save your changes before editing any questions.The following are part of the carbon cycle EXCEPT _________.respirationprecipitationdecompositionphotosynthesis
- Multiple ChoicePlease save your changes before editing any questions.Long-term process of the carbon cycle can form the following __________.limestonesandstonecoquinabasalt
- Multiple ChoicePlease save your changes before editing any questions.Bacteria in soil change __________ into ingredients plants can use.H2O2N2He2
- Multiple ChoicePlease save your changes before editing any questions.Plants rely heavily on ____ in the nitrogen cycle to incorporate nitrogen into organic compoundsbacteriavirusesfungioxygen
- Multiple ChoicePlease save your changes before editing any questions.
Green plants and algae make their own food through photosynthesis. What is photosynthesis?
a cell process that uses energy from sunlight to convert water and oxygen into food
a cell process that uses energy from sunlight to convert water and glucose into food
a cell process that uses energy from sunlight to convert water and chlorophyll into food
a cell process that uses energy from sunlight to convert water and carbon dioxide into food
- Multiple ChoicePlease save your changes before editing any questions.
_______________________ converts nitrogen into a form that plants can absorb.
Denitrifying bacteria
Nitrogen fixing bacteria
Decomposers
- Multiple ChoicePlease save your changes before editing any questions.
How do animals obtain nitrogen stored in plants?
Denitrifying bacteria
Nitrogen fixing bacteria
Directly from the atmosphere
They eat the plants
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following cycles lacks a gas phase? This means that the element does not exist in a gas phase.
carbon
nitrogen
phosphorous
none of the above
- Multiple ChoicePlease save your changes before editing any questions.
Where can you find carbon?
Only in the Earth's atmosphere
Inside all water molecules
Inside the sun
Inside every living thing on Earth
- Multiple ChoicePlease save your changes before editing any questions.Decomposition releases __________ into the soilhydrogenoxygennitrogenhelium
- Multiple ChoicePlease save your changes before editing any questions.When water moves downward through spaces in rock or soil it becomes __________.runoffa streamgroundwatera lake
- Multiple ChoicePlease save your changes before editing any questions.
What effect does the sun have on surface water?
it causes it to boil
it causes it to rain
it causes it to sink
it causes it to evaporate
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following most accurately describes the path of a nitrogen molecule through the environment?
It moves through the environment once--going from gas, to solid, and back to gas
It moves through the environment repeatedly, and always in the same order
It moves through the environment repeatedly, but not necessarily in the same order
It moves through the environment twice, then disappears
- Multiple ChoicePlease save your changes before editing any questions.
How does carbon become locked inside the earth?
Tree roots expel carbon into the soil as they grow
Humans use machines to pump carbon dioxide into large underground tanks
Rocks become richer in carbon as time goes on
The carbon-rich bodies of plants and animals decay into the earth after they die
- Multiple ChoicePlease save your changes before editing any questions.Phosphorous is passed from plants to ____ who eat themplantsanimalsscavengers
- Multiple ChoicePlease save your changes before editing any questions.Which of the following statements is true of the phosphorus cycle?Phosphorus enters the atmosphere as phosphates.The phosphorus cycle utilizes the processes of erosion, and weathering.Phosphates are used in carbohydrate and glucose storage.The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.
- Multiple ChoicePlease save your changes before editing any questions.What role do decomposers play in the phosphorous cycle?absorb phosphorousrelease phosphorous into atmospherereturn phosphorous into the soilcombustion
- Multiple ChoicePlease save your changes before editing any questions.When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.WaterAtmosphereSunAir
- Multiple ChoicePlease save your changes before editing any questions.How do living organisms return carbon to the atmosphere in the carbon cycle?respiration and photosynthesisdecomposition and respiration
- Multiple ChoicePlease save your changes before editing any questions.Organisms that play a role in the nitrogen cycleonly plantsonly animalsonly bacteriaplants, animals, & bacteria
- Multiple ChoicePlease save your changes before editing any questions.Plants and animals need nitrogen to make __________.ProteinCarbohydratesLipidsNucleic Acids
- Multiple ChoicePlease save your changes before editing any questions.When nitrogen gas is turned in to a form that plants and animals can use is calledCombustionPhotosynthesisDecompositionNitrogen Fixation