Which of these statements best explains a benefit of an agroforestry system?
A) It stimulates independence of a community from its natural environment as it modifies the landscape into more modern configurations.
B) It provides for uses of the trees that are removed as the system is developed into fields so that there is wood for construction of buildings.
C) It makes use of nutrient rich soils to plant successive monocultures that are primarily cash crops used to support the community.
D) It mimics the diversity and structure of trees, shrubs and other herbs that are naturally found in the forest and includes many native species
Ans: D) It mimics the diversity and structure of trees, shrubs and other herbs that are naturally found in the forest and includes many native species
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True or False: an uncatalyzed reaction has a higher G than the same reaction when catalyzed by an enzyme
A. true B. false
Treating a solution from S strain Streptococcus pneumoniae with an enzyme that destroys would prevent it from transforming the R strain of bacteria into a form that would cause pneumonia in mice.
A. proteins or lipids B. lipids C. DNA or proteins D. proteins E. DNA
The structure labeled 3 in Figure 35-2 is:
a. the secondary xylem.
b. formed by the division of the vascular cambium.
c. found adjacent to the pith.
d. usually referred to as wood.
e. the cork cambium.
Single-celled organisms having cell walls and no nucleus are found in the Domain(s)
A. Eucarya. B. Eucarya and Bacteria. C. Bacteria and Archaea. D. Eucarya and Archaea.