In ecosystems, internal cycling is dominated by
A) global nutrient turnover.
B) wet and dry deposition.
C) decomposition and biological uptake.
D) photosynthesis and weathering.
C
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The transport of milk proteins from where they are made to outside the cell is brought about
by what system?
a. endomembrane b. cytoskeleton c. nuclei d. lysosome
One of the two main angiosperm clades, this group has about 60,000 species that are characterized by
having a single cotyledon and by pollen grains with one groove. Most have parallel-veined leaves.
a. eudicots b. the star anise group c. monocots d. water lilies e. magnoliids
The teeth designated by the letter “C” in the above
figure are called a. canines. b. premolars. c. incisors. d. molars. e. all of these.
A population genetic study of a certain insect revealed four alleles for the GPI (glucose-phosphate isomerase) locus. How many different genotypic classes should be found?
A) 4 B) 8 C) 10 D) 16 E) 20