Which of the following is incorrect regarding the spatial variability of net primary productivity?
A) At temperate and high latitudes, the rate of carbon fixing is seasonally variable.
B) Productivity rates are constantly high throughout the year in the tropics.
C) Net primary productivity is highest in the fall and winter in temperate and high latitude areas.
D) Productivity rates in deserts is much less than that of tropical regions.
C
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a. food web b. food chain c. Ecosystem d. Community e. food chain and food web (they are interchangeable)
Glaciers can act erratically; for many years, a glacier may move only a few yards/year, then for a few years it may suddenly surge forward at several hundreds to thousands of feet/year, before slowing again
Indicate whether the statement is true or false.
Which type of ionizing radiation is generally the most dangerous?
A) Alpha radiation B) Omega radiation C) Gamma radiation D) Beta radiation
________ lava is largely restricted to narrow zones along convergent plate boundaries.
A. Ultramafic B. Andesite C. Rhyolite D. Carbonate E. Granite