Which is true of the cells of a choanoflagellate colony?
a. each cell is genetically unique
b. each cell is genetically identical
c. each cell has a different chromosome number
d. each cell performs the same function as the other cells
e. each cell has the ability to switch their sex from male to female and back again
ANSWER: b
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A) production of essential amino acids and vitamins B) production of volatile fatty acids from polysaccharides C) iron and trace metal absorption D) maturation of the gastrointestinal tract
Obligately anaerobic normal flora are found in ________, which is an/are anoxic habitat(s) of the body
A) the kidneys B) the skin C) portions of the oral cavity D) the lungs
Plasmodium falciparum causes the most serious form of malaria
Indicate whether this statement is TRUE or FALSE.
Estuaries for many transient species are considered:
a. a place to spawn. b. nurseries. c. too full of predators for juveniles. d. very stable environments.