Which of the following process(es) remove carbon from the atmosphere?
photosynthesis
cellular respiration
evaporation
combustion
photosynthesis
Which of these nitrogen cycle processes converts atmospheric nitrogen to a soil form of nitrogen that is usable by plants?
nitrogen fixation
nitrification
denitrification
ammonification
assimilation
nitrogen fixation
Which nitrogen cycle process is occurring when plant roots absorb ammonium ions and nitrate ions for use in making molecules such as DNA, amino acids, and proteins?
nitrogen fixation
nitrification
denitrification
ammonification
assimilation
assilmilation
utrophication is caused by what?
Increase in CO2 in the atmosphere.
Increase of nitrogen and phosphorous in lakes and estuaries.
Driving our cars and using too many electronics.
Increasing air and water temperatures on earth.
Increase of nitrogen and phosphorous in lakes and estuaries.
If the producers contain 10,000 units of energy how much energy can be found in the tertiary consumers?
1
10
100
1000
10
his is released by the weathering of rocks.
Carbon
Oxygen
Phosphorus
Nitrogen
Phosphorus
nutrient is not cycled through the atmosphere?
carbon
nitrogen
phosphorous
water
phosphorous
Phosphorous is the primary make-up of what cell part?
Chloroplasts
Mitochondria
Cell membrane
Ribosomes
Cell Membrane
enitrification is the process by which…
bacteria convert nitrates into N gas, releasing it into the atmosphere
bacteria convert N gas into nitrates, releasing it into the atmosphere
dead organisms break down and return carbon to the soil and atmosphere
organic N is converted into inorganic ammonia or NH4+ through decomposition
bacteria convert nitrates into N gas, releasing it into the atmosphere
What is the largest reservoir for nitrogen?
the ocean
rocks and minerals
the atmosphere
bacteria
The atmosphere
Decomposers contribute to the carbon cycle in what way?
They turn oxygen into CO2.
They take carbon from living organisms and return it to the atmosphere as carbon dioxide.
They turn CO2 into organic, living carbon molecules.
They create organic carbon and keep it stored in the earth forever.
They take carbon from living organisms and return it to the atmosphere as carbon dioxide.
How do phosphates enter the soil and become available for plants to use?
Photosynthesis
From fertilizers and rocks being broken down
From the atmosphere
From fertilizers and rocks being broken down
What is the only process that removes carbon from the atmosphere?
combustion
cellular respiration
photosynthesis
decomposition
photosynthesis
Decomposers recycle the matter in
producers
autotrophs
consumers
all of these
all
Which of these nitrogen molecules would be present in the atmosphere?
NH3
NH4+
NO3-
N2
N2
Nitrogen fixation is the process in which certain bacteria convert nitrogen gas into
liquid nitrogen
nitrates
nitrites
ammonia
ammonia
Which nitrogen cycle process is occurring when bacteria convert ammonium to nitrite and then into nitrate?
nitrogen fixation
nitrification
denitrification
ammonification
assimilation
nitrification
What converts nitrogen into a useable form for plants and animals?
bacteria
fungi
rain
bacteria
The process of burning material that contains carbon is called
photosynthesis
absorption
transpiration
combustion
combustion
Which organisms carry out cellular respiration?
producers
herbivores
carnivores
decomposers/detritivores
all
Nitrogen is part what important molecule(s)?
DNA
Proteins
Lipids
ATP
DNA
Proteins
ATP
Both the carbon cycle and the water cycle require energy from ____________________________.
the Force
ATP
the wind
the Sun
The Sun
How plants get the nitrogen they need
from the air
from the soil or water in which they live
from the Sun
from broken down rocks
from the soil or water in which they live
The process of plants losing water through their leaves is called ____.
condensation
evaporation
transpiration
exhaling
transpiration
