The high heat of vaporization of water helps you to feel cooler when you sweat because the transition of water from a liquid to a gas requires a ________ of energy to break hydrogen bonds. The energy is ________ from heat produced by your body, thus helping to lower the surface temperature of your body.
A. release; obtained
B. input; released
C. input; obtained
D. release; released
Answer: C
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Cro-Magnon is the name of the group of the first Neanderthals found in Europe
A. true B. false
A lawsuit, filed in 2009, challenged the idea that genes can be ____________________
Fill in the blank(s) with correct word
In Endler's (1980) studies, the evolution of male guppy coloration is affected by predation and sexual selection. What effect on brightness do the two forces have?
A. Predation: increases; Sexual selection: decreases B. Predation: decreases; Sexual selection: increases C. Predation: decreases; Sexual selection: decreases D. Predation: increases; Sexual selection: increases
Which of the following pairs is mismatched?
A) dissimilatory sulfate-reducing bacteria — produce H2S B) archaea — extremophiles C) chemoautotrophic bacteria — fix atmospheric nitrogen D) actinomycetes — reproduce by fragmentation E) Cytophaga — a gliding, nonfruiting bacterium