Chapters 47, 48, and 49. Bell Ringer, 8/14. TURN IN ANY WORK THAT YOU ARE MISSING Pick up your Exit Slips on the back lab table Answer the following question on your bell ringer: Explain the difference between a hypothesis and a guess. Bell Ringer, 8/15.
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Chapters 47, 48, and 49
Ecosystems: an overview
Common misconception: All plants are autotrophs
NOT ALL PLANTS ARE AUTOTROPHS
the same number of transfers
away from the energy input into
Same trophic level
Can one organism be on one trophic level in one food chain and a different trophic level in another?
THE POINT: The levels are always named the same way, even in a ridiculous example!
Energy flow through ecosystems
If three plants each capture and store 30 joules of energy and invest 20 joules in growth and reproduction…
If 10 plants capture 100 joules of energy each and invest 50 joules of energy in maintenance each…
Nonliving environmental reserves