What slowed down the decomposition rate of the oil spilled from the Exxon Valdez?
a. Cold temperatures
b. Rugged terrain
c. Suffocation of bacteria
d. Slow currents
a
Biology & Microbiology
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The ocular (eyepiece) lens magnifies the image?
A. 10-fold B. 5-fold C. 15-fold D. 20-fold E. 25-fold
Biology & Microbiology
Which of the following best describes a species' niche?
A. where it lives B. what it eats C. all of the climatic conditions to which it is adapted D. with whom it reproduces E. its habitat and how it uses available resources in that habitat
Biology & Microbiology
The inability of bees to pollinate the flowers of
certain sage plants is an example of a. temporal isolation. b. hybrid inviability. c. mechanical isolation. d. gamete mortality. e. behavioral isolation.
Biology & Microbiology
Which of the following does not change gene frequencies in populations?
A) migration B) diet C) mutation D) selection
Biology & Microbiology