An oil spill occurs, and Greg (a member of the clean up team) suggests adding fertilizer. Why is he making this suggestion?
A. The fertilizer encourages the growth of microbes that can break down the oil.
B. The chemicals in the fertilizer digest the oil residues.
C. The fertilizer interacts with the oil droplets and renders them harmless.
D. The fertilizer volitizes the oil.
A. The fertilizer encourages the growth of microbes that can break down the oil.
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According to Figures 24.1 and 24.2, humans are members of the monophyletic (select all that apply):
What will be an ideal response?
The stage of Lyme disease that is characterized by arthritis is the
A. primary. B. third. C. second. D. fourth.
A molecular clock is based on ____
a. measurement of daylight by pigment complexes b. daily changes in amino acid sequence in specialized proteins c. regulation of gene expression d. precise oscillations of atoms in a crystal e. a constant rate of mutation in DNA sequences
Why would a photosynthetic organism have more than one type of pigment within their cells?
a. To provide a backup source of energy if the main pigment type fails b. To direct light towards the primary pigment c. To optimize the amount of energy that can be harvested in specific environments d. To provide structural support for the primary pigments e. To allow photosynthesis to occur at any time of the day