Nearly all food plants are ________
A) bryophytes
B) gymnosperms
C) ferns
D) angiosperms
D
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The material released from bacteria that may lead to shock and death in septicemia is
A. exotoxin. B. protein A. C. endotoxin. D. interferon.
Which animal taxon is named for the cuticle or external skeleton that its members secrete and periodically molt?
a. Deuterostomia b. Ecdysozoa c. Reptilia d. Lophotrochozoa e. Protostomia
Use the following commercial to answer the question(s) below: A recent commercial advertised for a wristband that claimed to restore health and balance by taking advantage of natural frequencies of your biofield. It supports its claim by showing several people first struggling to balance without the wristband and then balancing fine with the wristband.Which of the following is a potential problem with the information presented?
A. There were no control groups presented. B. There was no indication that the results were repeated. C. There was a small sample size (only a few people presented). D. All of the above are potential problems with the information presented.
Select the most complete explanation of what the pH scale measures
A) The acidity of a solvent B) The alkalinity of a solvent C) The concentration of hydrogen ions in a solution D) The concentration of hydroxide ions in a solute