ECO+ACT+1

=__TITLE: ECOCOLUMN LAB__=

= = = = =__FOR THE TEACHER__=

Background
The purpose is of this laboratory is to model an ecosystem using five 2-liter PET bottles as system chambers: aquatic, terrestrial, and decomposition; and to record observations throughout the semester. This will provide opportunities to explore ecosystems, their components, the conditions required for sustainability and important interactions between the various ecosystem column chambers.

Planning
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 * ===Time===
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 * ===Materials• • 5 two-liter PET bottles (clear, labels removed, rinsed, need 3 caps holes made as shown on hand out) • rocks for aquatic chamber to hold plant and weigh down column • plastic straws • clear packing tape to secure column • soil, leaves, grass clippings, pieces of fruit for decomposition chamber • seeds for the terrestrial chamber • flora: 1 aquatic plant (anacharis, hornwort, green hedge, ludwigia, etc.) • fauna: 1 or 2 respiring organisms for the aquatic chamber (snails or fish) • water for aquatic chamber (purified or filtered) • utility knives or razor blades===
 * ===Preparation===
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 * ===Teaching Notes===
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Activity Overview
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Student Objectives/Goals

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=__FOR THE STUDENT__=

WHAT DO YOU SEE?
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WHAT DO YOU THINK?
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FOR YOU TO DO (lab).

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REFLECTION
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BIOLOGY TO GO (H.W.)
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