Which phylum of vascular, seed-bearing plants is limited to one living species that is a deciduous tree with fan-shaped leaves?
a. Gnetophyta
b. Anthophyta
c. Cycadophyta
d. Ginkgophyta
Ans: d. Ginkgophyta
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The living portion of the pathway through which water travels through a root is called the symplastic
pathway.
Indicate whether the statement is true or false.Entropy is
A. order. B. complexity. C. disorder. D. Both order and disorder are correct. E. Both complexity and disorder are correct.
A fly embryo that expresses the bicoid mutant phenotype
A. may be either genetically wild-type or mutant for bicoid, but definitely has a bicoid mutant mother. B. is mutant for bicoid and has a bicoid mutant mother. C. is genetically wild-type, but has a bicoid mutant mother. D. can be either genetically wild-type or mutant for bicoid. The genotype of the mother cannot be determined from the information provided.
Untreated streptococcal pharyngitis may progress to
A) scarlet fever. B) necrotizing fasciitis. C) rheumatic fever. D) scarlet fever or necrotizing fasciitis. E) scarlet fever or rheumatic fever.