A gradual change in phenotype across an environmental gradient, such as white-tailed deer changing gradually in size from large in the north to small in the south, is referred to as
A) migration.
B) a subspecies.
C) a cline.
D) an ecotype.
C
Biology & Microbiology
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In Figure 8.1, which colonies are streptomycin-resistant and leucine-requiring?
A) 1, 2, 3, and 9 B) 3 and 9 C) 4, 6, and 8 D) 4 and 8 E) 5 and 6
Biology & Microbiology
a. integral proteins
a. hydrophobic b. hydrophilic c. both hydrophobic and hydrophilic d. neither hydrophobic nor hydrophilic
Biology & Microbiology
Where is external fertilization most likely to occur?
a. mountainous environments b. tropical environments c. aquatic environments d. desert environments
Biology & Microbiology
The simple food chain: grass >>> zebra >>> lion provides a good example of a pyramid of
a. energy. b. height. c. biomass. d. energy and height. e. energy and biomass.
Biology & Microbiology