Francis is conducting an experiment to determine whether the acidity of ocean water affects the growth of ocean plants. he has 10 aquariums, each containing the same species of ocean plant. one has a ph of 8.2, the approximate ph of the ocean. the others vary in acidity from 0 to 14. francis measures the growth of each plant after one month. each aquarium is kept at the same temperature and receives the same amount of sunlight. what is the variable being tested in this experiment? acidity or ph species of plant temperature amount of sunlight
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The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime
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The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except
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Which of the following is the most likely outcome of global warming
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Francis is conducting an experiment to determine whether the acidity of ocean water affects the grow...
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