Which of the following major divisions of geologic time is mismatched with the organisms that flourished during that time period?
A. Mesozoic Era-Age of Reptiles
B. Holocene epoch-The Age of Man
C. Cambrian Period-Age of Fish
D. Carboniferous Period-Age of Amphibians
Answer: C
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In the host-parasite relationship, it is advantageous for the parasite to disable and kill its host as quickly as possible.
Answer the following statement true (T) or false (F)
Which of the following serves as the "translator" or intermediary between an mRNA codon and an amino acid?
A. rRNA B. snRNA C. tRNA D. siRNA E. snRNPs
Which of the following would decrease central venous pressure?
A) increased respiratory activity B) standing up C) activity of skeletal muscles D) increased blood volume E) increased sympathetic activi
Cilia lining the respiratory tubes beat mucus upward in order to:
a. moisten the bronchioles. b. conduct the mucus that contains particles to the pharynx and away from the lungs.
c. provide mucus to the lungs to prevent them from dehydrating. d. lubricate the throat for easier swallowing. e. promote gas exchange by providing mucus for the respiratory surfaces.