The person who presented a similar theory of evolution to that of Darwin was:
a. Charles Lyle.
b. Alfred Wallace.
c. Thomas Malthus.
d. Alfred Wegener.
e. Robert Ballard.
B
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Enterotoxins affect cells in the:
A) respiratory tract. B) genitourinary tract. C) gastrointestinal tract. D) central nervous system.
Suppose that the suprachiasmatic nucleus within the brain is damaged. Which of the following is the most likely to occur?
a. The organism would not be able to control its circadian rhythm. b. The organism would die. c. The organism would not experience any change. d. The organism would not be able to move.
In the deformation of polymers, the bonds between the oxygen and hydrogen that connected the monomers are broken. What is the name for the process of disassociating the monomers from a polymer, using water as a solvent?
A) catalyzing B) hydrolysis C) protein synthesis D) dehydration synthesis
One adaptation that enables an animal to live successfully on dry land is
A) moist skin used for gas exchange. B) development in a shelled egg. C) a two-chambered heart. D) external fertilization. E) gills.