Multiple Choice
A "caliche layer" in soil is
A) a hard layer formed by precipitation of calcium carbonate (CaCO3) .
B) a hard layer formed by precipitation of nitrates (KNO3, MgNO3) from over-fertilization.
C) a water-absorptive layer of peat.
D) a layer of younger soil overlaying an old, depleted soil.
E) a layer polluted with heavy metals.
Correct Answer:
Verified
Correct Answer:
Verified
Q3: A major recent (last 50 years) change
Q4: Studies by Hanski, Kuussaari, and Nieminen determined
Q5: Vegetation in southern California burns frequently because<br>A)
Q6: Connections of similar habitat maintained between habitat
Q7: Periods of unusually high temperatures and humidity
Q9: The element within the landscape that is
Q10: Which following facets of landscape ecology distinguish
Q11: Bowen and Burgess' work in Ohio confirmed
Q12: Vegetation in bajadas of the Arizona Sonoran
Q13: The proportion of the world's population living