Marine snow is composed of:
a. inorganic nutrients.
b. flocculated marine salts.
c. particulate organic matter.
d. frozen seawater.
e. terrestrial materials.
C
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Recent studies on the evolutionary divergence of seed plants from seedless vascular plants used the genome of a ____,
a lycophyte, as a comparison for genomes of the more derived land plants.
a. numerous, large apical cells on the edges of their fronds b. single, large apical cell on the tip of their fronds c. single, large apical cell at the tip of their apical meristems d. numerous, small apical cells at the base of their apical meristems e. single, small apical cell at the base of their apical meristems
In a test cross, what percentage of the offspring will have the same phenotype as the tested parent if the parent to be tested is homozygous?
A) 25% B) 100% C) 50% D) 0% E) 75%
Together, the stomach, intestines, mouth, and esophagus form a(n)
A) ectotherm. B) organ system. C) cell. D) organ. E) tissue.
If you consume 1 g of each of the following, which will yield the most ATP?
A) fat B) glucose C) protein D) starch