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Reviewing Food Webs and Practicing Molarity Problems

This activity focuses on reviewing food webs, identifying producers and consumers, and practicing molarity problems. Students will also answer questions related to food chains and chemical accumulation in organisms.

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Reviewing Food Webs and Practicing Molarity Problems

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  1. Date: April 5, 2010 • Objective: We will review food webs and practice molarity problems. • Do Now:

  2. TAKS Review Ecology

  3. Food Web or Food Chain?

  4. Food Web or Food Chain?

  5. Food Web or Food Chain? Energy is passed from the PRODUCERS (algae) to four different levels of CONSUMERS. Remember the arrowsshow the direction of ENERGY flow

  6. Practice Question Plants Aphids Spiders Sparrows In this food chain, the spiders are- A. Producers B. Primary consumers C. Competitors D. Secondary consumers D

  7. Lake Trout • Phytoplankton Zooplankton Gulls Smelt Practice Question Which of these organisms would have accumulated the largest concentration of a long-term chemical pollutant in their bodies? • Phytoplankton • Gulls • Lake Trout • Zooplankton B

  8. Activity 1) You will work QUIETLY in groups of 4 for a MAX of 10 minutes. 2) Each group will arrange their organisms into the food web that you think is appropriate using the pictures and the arrows given. 3) Determine the producers, primary, and secondary consumers. 4) Raise your hand when complete so I can check. 5) Start on problems 16, 17, 19, 20, and 21 (all letters) on page 505.

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