Mr. mann's class conducted an experiment about plant response to the presence of water. they first planted pea seeds in sand. to start with, they watered the seeds. once the seeds began to grow, they reduced the water they gave the plants. instead, they placed a porous container of water close to the growing plant to see if the plant's roots would grow towards the cup of water. in science language, this plant response is called hydrotropism. an illustration of the experimental design can be seen here. what is the manipulated variable in this experiment?
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When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?
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Ascientist is examinin the cell is disrupted when she damages one specific type of macromolecule g the function of macromolecules in a cell she notices that movenent of large molecules into and out of
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Mr. mann's class conducted an experiment about plant response to the presence of water. they first p...
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