Which of the following is the greatest effect of oil on marine mammals and birds?
a. It is toxic to these animals.
b. It clogs their feeding structures.
c. It causes them to lose their insulation, leading to death by hypothermia.
d. It kills their food source.
e. It suffocates them.
C
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The floating leaf disk assay measures oxygen production as an indication of photosynthetic activity. What other substances could be measured as alternate ways of measuring photosynthesis?
What will be an ideal response?
Root epidermal cells passively transport ions inward from the soil because the ions are unable to follow a
concentration gradient into the cells.
a. True b. False
In prokaryotes, The Krebs Cycle occurs in the cytoplasm.
Indicate whether the statement is true or false.
Vaginitis is associated with
a. Candida. b. Lactobacillus. c. Trichomonas vaginalis. d. a and b. e. a and c.