You want to experimentally test the deep sea vent hypothesis in a laboratory. What would your experimental set up need to include? Select all that apply.
_____ Hot H2S from the "vent" mixing with cold water.
_____ Cold O2 from the "vent" mixing with superheated water.
_____ A buildup of radioactive substances around the "vent".
_____ Hot water around the "vent" containing metal ions.
__X__ Hot H2S from the "vent" mixing with cold water.
_____ Cold O2 from the "vent" mixing with superheated water.
_____ A buildup of radioactive substances around the "vent".
__X__ Hot water around the "vent" containing metal ions.
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The ultimate source of energy for photosynthetic reactions in a plant is ____.
A. plants. B. glucose. C. glycogen. D. the sun. E. catabolism.
Biological species consist of groups of ________
A) populations B) domains C) families D) genera
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A) number of producers and their efficiency. B) number of heterotrophs. C) efficiency of the consumers. D) number of chemoautotrophs. E) efficiency of the heterotrophs.