Ecosystems

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Watch this video:

NASA | Earth Science Week: The Ocean’s Green Machines

https://www.youtube.com/watch?v=H7sACT0Dx0Q

Now copy and answer these questions in your notebook:

  1. Why are phytoplankton critical to life on Earth?
  2. What do phytoplankton need to grow?
  3. What part of the ocean are phytoplankton found?
  4. Are phytoplankton affected by climate change? How?
  5. What are the consequences of lowered levels of phytoplankton?