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Thinking Scientifically
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  1. Design an experiment that tests the need for water in order for mosses to undergo alternation of generation instead of reproduction asexuallly by fragmentation.
    Answer
  2. Before the evolution of the vascular system the terrestrial landscape was essentially "two-dimensional." By allowing plants to rise above the ground, the vascular system created a three- dimensional world. How does being tall give plants an advantage?
    Answer







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