Many species might coexist in a particular environment by occupying ecological
A. biomes.
B. territories.
C. domains.
D. niches.
E. ranges.
Answer: D
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Neuron ______ below is a motor neuron; its function is ____________
A. 1; connecting different types of neurons B. 2; receiving incoming information or "sensing" C. 2; stimulate muscles or glands D. 3; stimulate muscles or glands E. 3; connecting different types of neurons
Which term can be applied to all of the vertebrates except for the jawless fish?
A. Endothermic B. Amniotes C. Tetrapods D. Gnathostomes
Antibodies against streptolysin O, hyaluronidase, and DNase B are measured in the diagnosis of which disease?
A. Streptococcal pharyngitis B. Acute rheumatic fever C. Rheumatoid arthritis D. Systemic lupus erythematosus
Which one of these is a nitrite?
a. NH4- b. NO3- c. NO2- d. PO4- e. NH2