Over geological time, organic matter from seedless vascular plants, buried beneath ____, formed the fossil fuels we
use today.
a. agricultural fields
b. ocean and river sediments
c. volcanic ash
d. granitic and basaltic rock
e. Earth’s mantle
ANSWER: b
Biology & Microbiology
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Two different nucleic acids can ________ by annealing at their complementary sites.
A. covalently bond B. hybridize C. ligate D. form a peptide bond
Biology & Microbiology
What was the energy source in the Miller-Urey simulation of conditions on the early Earth?
What will be an ideal response?
Biology & Microbiology
During a vasectomy, which structure is cut?
a. epididymis b. prostate c. seminiferous tubules d. seminal vesicles e. vas deferens
Biology & Microbiology
Most true fungi send out cellular filaments called ____
a. mycelia b. hyphae c. mycorrhizae d. stolons e. rhizoids
Biology & Microbiology