On the basis of their morphologies, how might Linnaeus have classified the Hawaiian silverswords? Linnaeus would have _____
A) placed them all in the same species.
B) classified them the same way that modern botanists do.
C) placed more of them in different genera than modern botanists do.
D) used evolutionary relatedness as the primary criterion for their classification.
C
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Genetic manipulation has been useful in restoring the numbers of __________ in the United
States.
a. black-footed ferrets b. chestnut trees c. California condors d. Siberian tigers
During meiosis II, ____
a. cytokinesis results in the formation of a total of two cells b. sister chromatids of each chromosome are separated from each other c. homologous chromosomes pair up d. homologous chromosomes separate e. sister chromatids exchange parts
Long-night plants that only flower when they encounter a certain minimum number of hours of darkness are an example of:
A) phototropism. B) photoperiodism. C) geotropism. D) thigmotropism.
Which of the following is not a desirable trait commonly genetically engineered into plant?
A. improved yield B. disease resistant C. modified wood pulp D. salt sensitive E. drought tolerant