Chapter 3 - Chapter 3 Science NOTE We are saving the...

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Chapter 3 - Science NOTE – We are saving the discussion of tropic levels (from species to ecosystems, page 62-65) and the material cycles discussions (page 66-72) for later parts of the course. Read these sections now but we won’t really discuss them until we get to the appropriate parts of the course. Major Questions: 1. What are the basic building blocks of life – subatomic particles to cells? 2. What are organic compounds and how are they held together (bonding)? 3. What is energy and why are thermodynamic principles important to living systems? 4. What is photosynthesis & how does it work? What’s the opposite of photosynthesis (decomposition) and how does it work? 5. What is an ecosystem and how do you define the boundaries of one? Elements of Life Matter - Everything that has mass and takes up space. Elements - Substances that cannot be broken down into simpler forms by ordinary chemical reactions. Atoms - Smallest particles exhibiting characteristics of the element.
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