Question 12 • 2025-2026_MDCPS_2000315_Biology_1_A-CR
Ptolemy’s theory placed Earth at the center of the universe, with the Sun and planets moving around it. Later observations and evidence, including the motions of planets and moons, supported a Sun-centered model instead, so Ptolemy’s theory was discarded. The original cell theory was expanded as new information emerged, while germ theory and plate tectonic theory remain supported scientific theories.
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