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Ecosystems Notes 11 9 Pd5


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Ecosystems Notes 11 9 Pd5

  1. 1. DQ 11-10 <ul><li>Lemmings are small mammals that experience a population explosion about once every four years. Snowy owls eat lemmings. Which of these statements is supported by the data in this graph? </li></ul><ul><ul><li>The snowy owls are becoming extinct. </li></ul></ul><ul><ul><li>Lemmings live much longer than snowy owls. </li></ul></ul><ul><ul><li>The habitat of the lemmings is continuously decreasing in size. </li></ul></ul><ul><ul><li>The snowy owl population increases because of an increase in lemmings. </li></ul></ul>Copy the question (underlined) and the Correct Answer
  2. 3. Abiotic Factors Biotic Factors
  3. 4. Producers = P, Primary Consumers = C1, Secondary Consumers = C2
  4. 5. Predators = Pred, Prey, Scavengers
  5. 7. DQ 11-12 <ul><li>Crickets chirp to attract other crickets. The temperatures and rates of their chirping are graphed. Which statement below is most likely true for the data represented in the graph? </li></ul><ul><ul><li>The cooler the temperature, the louder the crickets chirp. </li></ul></ul><ul><ul><li>The crickets cannot chirp at temperatures lower than 10C. </li></ul></ul><ul><ul><li>The warmer the temperature, the more often crickets chirp. </li></ul></ul><ul><ul><li>The temperature and the chirping of crickets are not related. </li></ul></ul>Copy the question (underlined) and the correct answer.
  6. 9. Ecosystem All the living and non-living things in an area
  7. 10. Vocab Review <ul><li>Producer = Autotrophs = </li></ul><ul><li>Heterotroph = </li></ul><ul><li>Primary Consumer = </li></ul><ul><li>Secondary Consumer = </li></ul><ul><li>Third-level Consumer = </li></ul>
  8. 15. Corresponding Food Chain:
  9. 17. Owl Pellet Video Questions <ul><li>What is an owl pellet (how is it formed)? </li></ul><ul><li>Draw a food chain for the owl. </li></ul>