Which of the following species is both a keystone species and a flagship species?
A. grizzly bear
B. alligator
C. dolphin
D. beaver
E. panda
Answer: A
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Oral bacteria on the tooth surface
A. use fimbriae and slime layers to adhere. B. develop a biofilm. C. metabolize sucrose, produce sticky glucans, and form plaque. D. All of the above are correct.
Air masses are deflected to the ________ in the Northern Hemisphere and to the ________ in the Southern Hemisphere
Fill in the blank(s) with correct word
Which of the following is a common feature of the processes indicated by both letters D and E?
a. movement of organic food molecules between catabolic pathways
b. movement of phosphate groups associated with ADP
c. movement of hydrogen atoms associated with NADH
d. movement of pyruvic acid into the mitochondria
Which cell becomes a macrophage when leaving the bloodstream?
A) monocyte B) lymphocyte C) basophil D) eosinophil E) neutrophil