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Bugs and Beetles: Moisture & Light

Bugs and Beetles: Moisture & Light. Day 10: May 15 th , 2013. Objectives:. I can identify and describe terrestrial environments and the effects of environmental factors on organisms. Focus Question:. How much moisture do isopods and beetles prefer?

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Bugs and Beetles: Moisture & Light

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  1. Bugs and Beetles:Moisture & Light Day 10: May 15th, 2013

  2. Objectives: • I can identify and describe terrestrial environments and the effects of environmental factors on organisms. Focus Question: • How much moisture do isopods and beetles prefer? • How do isopods and beetles respond to different amounts of light?

  3. Testing Moisture • Yesterday we set up an experiment to find out the best environment for our isopods and beetles based on moisture. • Today we will record the results of the long run and make our determination.

  4. Long Run Observation • Head back over to the tables. • Here we will observe and discuss the results of the long run to determine the preferred environment. • *We may have to search for some of our organisms as they may have buried themselves. • *Some may have even run off! • We will record the long run results in our notes.

  5. Results – Focus Question Answer • How much moisture do isopods and beetles prefer? • Isopods prefer moist environments. • Beetles prefer dry environments.

  6. Testing Light • Now that we know their moisture preference, we will test the preference of light for our organisms.

  7. Testing Light Materials • 6 animal runways (which have already been prepared). • Dry soil (for the beetles) • Moist soil (for the isopods) • 9 isopods • 9 beetles

  8. Testing Light Procedures • Set out six of the animals runways (which have already been prepared). • In three runways, place dry soil for the beetles. • In three runways, place moist soil for the isopods. • Cover all of the runway with a black piece of construction paper (only cover one half of the runway). • Place three beetles in the center of 3 of the runways (3 beetles per runway) • Place 3 isopods in the other three runways (3 isopods per runway). • Allow the isopods and beetles 5 minutes to explore. • Record where the isopods and beetles end up after 5 minutes. • Allow the isopods and beetles time to explorer overnight. • We will record the long run results tomorrow at the beginning of class.

  9. Review of Our Objectives: • I can identify and describe terrestrial environments and the effects of environmental factors on organisms. Review Our Focus Question: • How do isopods and beetles respond to different amounts of light?

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