What situation would be most similar to the greenhouse effect?
A) heating up the air inside a car by parking it in the sun
B) warming the air for a hot-air balloon with a propane burner
C) burning kerosene in a heater to warm up the air inside a cold house
D) growing plants in your office to reduce indoor air pollution
A
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Recall that Archaea has three main groups. Which of the following is not one of the major archaeon groups?
A. Thaumarchaeota B. Crenarchaeota C. Euryarchaeota D. Firmicutes
Imagine in lemmings, that gray fur color (G) is dominant over white (g). There is another gene, called color, and individuals must have at least one color (C) allele for gray color to be expressed. Which of the following is accurate regarding the biochemical pathway and the enzymes needed for the production of gray fur?
_____ Enzyme C acts on colorless precursor molecule to produce colorless intermediate; enzyme G works on colorless intermediate to produce gray molecule. _____ Enzyme G acts on colorless precursor molecule to produce a colorless intermediate; enzyme C works on colorless intermediate to produce gray molecule. _____ Half the amount of enzyme C or enzyme G is enough for making the gray color molecule.
Which of the following account for 20% of the greenhouse gases recorded annually?
a. deforestation of dry tropical forests b. deforestation of moist tropical forests c. burning of fossil fuels d. burning of coal e. urbanization
Two new species of plants that are morphologically similar (same leaf type, similar reproductive structures, etc.) are discovered. The botanist who discovers these plants determines that one species possesses sixteen chromosomes and the other species has thirty-two chromosomes. Both plants contain multiple sets of the same eight distinctly different chromosomes. The most probable explanation for these findings is that the second plant evolved from the first by
A. divergent evolution. B. convergent evolution. C. adaptive radiation. D. polyploidy.