SC READY Science Grade 6 Practice Questions - South Carolina SC READY Science Assessment - Grade 6 Exam

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A biologist isolates a microscopic single-celled organism from a pond. Under the microscope, she watches the single cell pinch in half to form two new identical daughter cells. Which pillar of cell theory does this directly support?

Cells form spontaneously from surrounding pond water Organelles can survive independently outside of cells All cells require oxygen for survival All cells arise from pre-existing cells

Correct Answer:

All cells arise from pre-existing cells

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