The location of phytoplankton in the ocean is determined by
A. temperature.
B. space.
C. salt content.
D. light.
D. light.
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In the cells of some organisms, mitosis occurs without cytokinesis. This results in _____
A) cells with more than one nucleus B) cells that are unusually small C) cells lacking nuclei D) destruction of chromosomes E) cell cycles lacking an S phase
Which is the correct order for the application of reagents in the Gram stain?
A. Crystal violet, alcohol/acetone, iodine, safranin B. Iodine, safranin, crystal violet, alcohol/acetone C. Crystal violet, safranin, iodine, alcohol/acetone D. Safranin, crystal violet, alcohol/acetone, iodine E. Crystal violet, iodine, alcohol/acetone, safranin
Four of the five answers listed below possess a complete digestive system. Select the exception.
a. human b. bird c. earthworm d. planaria
Considering the history of the Earth, would the water flow and precipitation patterns have been as they
are now? What will be an ideal response?