The resumption of plant growth and development after a period of seed dormancy is
A. fertilization.
B. transpiration.
C. pollination.
D. stagnation.
E. germination.
E. germination.
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Hardy-Weinberg equilibrium is possible only if the population is
A) small, with no migration out or in, and females outnumbering males. B) large, with random mating and no migration, mutation, genetic drift, or natural selection. C) small, with nonrandom mating and no migration, mutation, genetic drift, or artificial selection. D) large, with nonrandom mating, mutation, genetic drift, and natural selection.
Which statement is true?
a. Morphology no longer informs phylogenetic classification. b. Cnidarians are the only organisms classified as Radiata. c. Phylogenetic trees are hypotheses, and frequently change. d. Mitochondrial DNA is only used to classify extinct organisms.
What does statistical analysis of experimental results determine?
A) the amount of bias in the experimental design B) the likelihood that the results are due to the experimental treatment C) whether the experiment proves that the hypothesis being tested is correct D) whether the proper controls were used in the experiment
The electrons excited by sunlight in photosystem I are replaced by ________, and the electrons excited by sunlight in photosystem II are replaced by ________
A) electrons from water; electrons from water B) electrons from water; electrons from photosystem I C) electrons from water; electrons from carbon dioxide D) electrons from photosystem II; electrons from water E) electrons from carbon dioxide; electrons from water