In some plants, flowering is a _____ response

a. phototropic c. photoperiodic
b. gravitropic d. thigmotropic

C

Biology & Microbiology

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Sexual dimorphism has arisen as a result of ____

a. stabilizing selection b. heterozygote superiority c. kin selection d. sexual selection e. directional selection

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Biology & Microbiology

By analogy, the orbitals and atomic nucleus may be

said to most resemble a. a merry-go-round. b. a sundial. c. a multilevel apartment building. d. a nest of mixing bowls. e. ripples in a pond.

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Biology & Microbiology

Which of the following elements is NOT responsible for a significant portion of the mass of living

organisms? a. O b. S c. N d. H e. C

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Biology & Microbiology

When something appears blue, it is absorbing all colors except ________.

A. blue B. red C. yellow D. orange E. green

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Biology & Microbiology