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Cells: Living Building Blocks (graded)
Why do we consider some things to be living and some things not? Can you imagine what Anton Leeuwenhoek must have thought when he looked at a drop of water for the very first time with his primitive microscope? A sea of cells in a drop of water; living, replicating, going about their business in a world that no one had ever envisioned. From where did these cells come? What were the functions of the various components that he was able to barely see? What were their sources of energy? How did they reproduce themselves? Our discussions for this week will focus on just how far we have come in answering these questions.
Ecosystems and Interactions (graded)