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15 terms

Bio Ch37 Activities Quiz

STUDY
PLAY
What name is given to the process seen in this animation? (Activity: How Plants Obtain Minerals from Soil)
cation exchange
The release of CO2 into the soil results in the formation of _____.
hydrogen ions and carbonate ions
What process is the source of the CO2 that root hairs release into the soil?
respiration
The binding of H- ions to soil particles _____
displaces mineral cations
Which of these ions is most likely to be leached from the soil?
chlorine ions
Acid precipitation _____.
decreases soil fertility
How do cations enter root hairs?
diffusion
Assimilation is indicated by the letter(s) _____.
A
Nitrogen-fixing bacteria is(are) indicated by the letter(s) _____.
D and E
Nitrification is indicated by the letter(s) _____.
B
Denitrifying bacteria convert _____ to _____.
nitrates ... nitrogen gas
Nitrifying bacteria convert _____ to _____.
ammonium ... nitrites
_____ removes nitrogen from the atmosphere.
Nitrogen fixation
Which one of these is a nitrate?
NO3-
Which one of these is a nitrite?
NO2-