ORGANISMS AND THE ENVIRONMENT - day two
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Copper compounds are used in large amounts to control the growth of algae and other aquatic plants. Copper interferes with photosynthesis in these organisms. What would be the most likely result of an accidental spill of these compounds in an aquatic environment?
25 points
Galveston Bay, an estuary in Southeast Texas, is shown here. The amount of salt in the water changes with the tides. Sometimes the water is mostly freshwater, and sometimes it is mixed with saltwater. Various plant species live in this environment and provide a habitat for other organisms. To successfully live in an estuary, a plant species must have an adaptation that allows it to......
25 points
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Which of these human activities is most likely to cause the excessive growth of phytoplankton in the world's oceans?
25 points
The graph here shows the percent of seeds from TWO plant species that sprout when grown in water containing different amounts of salt. Which of the following best summarizes the effect of saltwater on these plant species?
25 points
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