The Kingdom Plantae arose from:
A. a choanoflagellate
B. a chytrid
C. a charophycean
D. a zygomycete
E. a stramenopile
C. a charophycean
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An organism with a temperature growth optimum near 80°C and a pH growth optimum between two and three is usually referred to as a(n) ________.
A. thermophile B. halophile C. thermoalkalophile D. thermoacidophile
The hormone ________ was named after the fungus that causes "foolish seedling" disease in rice
A) cytokinin B) florigen C) gibberellin D) auxin E) ethylene
You excavate a fossil of a small reptile during a paleontology field trip. It has the following characteristics: skull with a pair of dorsal temporal openings and a pair of lateral temporal openings; bipedal with legs positioned directly under the pelvic girdle. Dating with radioisotopes shows that the specimen lived 100 million year ago (MYA). You conclude that the specimen belongs to which reptilian group (be specific as possible)?
A. anapsid B. dinosaur C. archosaur D. synapsid E. diapsid
Phylogenetic analysis of DNA extracted from material collected by air samplers in the New York City subway system showed that its microflora were MOSTLY composed of organisms associated with
a. human skin. b. soil. c. outdoor air. d. dust.