student made questions Flashcards
which of the following types of plants is most likely to undergo photorespiration?
a. CAM
b. C3
c. C4
d. all of the above
c3
which buffer system has a pH of 6.5-8
which of the following is NOT a carbon rich epipedon?
a. mollic
b. umbric
c. ochric
d. melanic
which is NOT an adaptation of desert plants?
a. drought evasion
b. drought resistance
c. small leaves
d. thin cuticles
a. drought evasion
which soil type has no profile development and is the most similar to its parent material?
entisols
a species with a wide geographic range is
ubiquitous
which of the following is NOT a part of the calvin-benson cycle?
a. carboxylation
b. regeneration
c. reduction
d. oxygenation
oxygenation
which is NOT a distinct feature of C4 plants?
a. the calvin cycle takes place in the mesophyll
b. rubisco is not required for photosynthesis
c. most vascular plants (~99%) are C4
most vascular plants (~99%) are C4
What is O in CLORPT?
organisms
what kind of weathering would most likely encounter at the peak of a mountain?
frost wedging
What is not a characteristic of oxisols?
a. must have an oxic horizon
b. forms in tropical climates
c. soil colloids include iron and aluminum
d. very unstable soil
d. very unstable soil
What evolutionary traits did plants develop to reduce water loss?
seeds
stomata
waxy cuticles
which soil order is characterized by a white or lightly colored E horizon, distinctly reddish A horizon, extensive leaching, forming under coniferous or boreal forests?
spodosols
how are gasses exchanged between the atmosphere and soil during diffusion?
oxygen diffuses in and carbon dioxide moves out
humans are ___ selected
k
which of the following does not slow down the microbial processing of carbon in the soil?
physical disconnection
what type of phyllosilicate sheet is characterized by a 2:1 structure, non-expanding qualities, and a separate hydroxide sheet between the phyllosilicate layers?
chlorite
the drainage of certain wetlands has resulted in extreme soil acidity. this is due primarily to which of the following processes that take place when the soil is drained?
oxidation of sulfur bearing minerals that produces sulfuric acid
where are aridisols most likely to form?
a. in the rain shadow of mountains
b. arid areas with little precipitation
c. deserts
d. all of the above
all of the above
which type of soil contains both carbon rich and poor mineral epipedon?
forest soil ph
3.5-5
acid sulfate soils ph
1.5-3
sodic soil ph
8.5-10
