Scientists preparing preserved animals often inject colored latex into the circulatory system to identify different kinds of vessels. What color of latex is likely to be seen in blood vessels carrying oxygen-poor blood?
A. blue latex
B. pink latex
C. both colors mixed together
D. spots of different colors in different parts of the pig
E. None of the answer choices is correct.
A. blue latex
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If you touch a hot stove with your hand, the sensory receptors in your hand send a signal of pain to the CNS through the _____________ nerve fibers of the peripheral nervous system.
Fill in the blank(s) with the appropriate word(s).
The molting process exhibited in animals such as nematodes and arthropods is referred to as ecdysis
a. True b. False
Of the following list of ingredients of an energy drink, which is likely the biggest contributor to the boost of energy felt?
A. tyrosine B. malic acid C. caffeine D. taurine E. folic acid
Dead zones typically are
A) lacking in nutrients. B) lacking in decomposers. C) lacking in oxygen. D) all of the above.