In the selfish herd, there is an advantage to
a. being on the outside.
b. being near the front.
c. being in the middle.
d. being isolated.
e. none of these; position is of no advantage.
C
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Propionibacterium
A. produces propionic acid. B. produces lactic acid. C. is responsible for the holes in Swiss cheese. D. requires aerobic environments. E. produces propionic acid AND is responsible for the holes in Swiss cheese.
Identity confirmation of Yersinia pestis by advanced laboratory techniques can be carried out in almost any hospital clinical laboratory.
Answer the following statement true (T) or false (F)
All of the following are adaptations against excessive water and salt exchange between animals and their surrounding environment except:
a. having very permeable tissues. b. covering body with mucus. c. living inside a tube that can be isolated from the external environment. d. covering the body with a hard exoskeleton. e. actively absorbing salt ions with gills.
In the figure above, which number identifies the structure that transmits auditory signals to the brain?
a. 2 b. 6 c. 7 d. 8 e. 9