What sort of media can be used to encourage growth of some organisms, while discouraging the growth of others?
A. Selective media
B. Differential media
C. Complex media
D. Defined media
A. Selective media
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What are the most abundant organisms in the world?
What will be an ideal response?
Which group can reproduce asexually?
a. amphibians b. insects c. gastropods d. fishes e. cnidarians
How does a shark's cardiovascular system differ from that of a mammal?
A) The shark's heart does not directly pump oxygenated blood to the systemic tissues. B) The shark's heart receives both oxygenated and deoxygenated blood. C) The shark's circulatory system has a pulmonary and a systemic circuit. D) The shark's blood is pumped through open-ended tubes.
The chemolithotrophs that metabolize reduced sulfur compounds using oxygen as a terminal electron acceptor in the Winogradsky column include ________.
A. Beggiatoa B. cyanobacteria C. Chromatium D. Desulfovibrio