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Flow of Energy

Introduces producers, consumers, and decomposers.

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Life In The Slow Lane
Teacher Contributed

Life In The Slow Lane

Topic

Antarctic Invertebrates

Why It Matters

Life In The Slow Lane

When walking along the shoreline, people often encounter many creatures in tidepools, like sea stars or sea urchins. These animals seem to be just hanging out, not really going anywhere. But appearances can be deceptive. these animals move at a very different pace than humans. Here's life in the slow lane...

Go here to find out more about nemertean worms https://scholarsbank.uoregon.edu/xmlui/bitstream/handle/1794/6123/4.pdf?sequence=18; http://www.bumblebee.org/invertebrates/NEMERTEA.htm

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Use the below resources to answer the following question

  1. A sea star's metabolism responds to the temperature at which it lives. How does this explain the slow growth of the Antarctic sea stars? What are other effects of this slow growth?
  2. Early in the video you see sea urchins, why don't you see any sea urchins feeding on the dead seal?
  3. What is the longest organism in the world?
  4. What reproductive strategies do Nemertean worms use? How do the strategies reflect the ecosystems they live in?

Resources Cited

BBC Youtube http://www.youtube.com/watch?v=kGMCaTwkKrc

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