Eutrophication occurs when
a. species diversity increases.
b. coliform bacteria counts go up.
c. nutrient levels decline.
d. nutrient levels increase.
e. sea surface temperature decreases.
D
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Oxygen is able to allow electrons of a very low energy level to combine with it at the end of cellular
respiration and ultimately make water. How are the specific properties of oxygen beneficial to the organism that uses it as a final electron acceptor?
a. Oxygen is highly reactive and readily accepts electrons. b. Oxygen is strongly electronegative and helps pull the electrons through the electron transport chain. c. Oxygen allows a maximum output of energy from ATP synthesis. d. Oxygen is the only molecule that can act as a final electron acceptor. e. Oxygen is highly reactive and readily oxidizes methane.
Two organisms present in the same genus are usually more closely related to each other than to organisms in other genera.
a. true b. false
The kingdom that includes mushrooms and yeasts is the ________.
Fill in the blank(s) with the appropriate word(s).
What is the meaning of the group name Stramenopila?
A. “Needle-haired” B. “Straw haired” C. “Short flagella” D. “Black haired” E. “White haired”