Watch this video:
NASA | Earth Science Week: The Ocean’s Green Machines
Now copy and answer these questions in your notebook:
- Why are phytoplankton critical to life on Earth?
- What do phytoplankton need to grow?
- What part of the ocean are phytoplankton found?
- Are phytoplankton affected by climate change? How?
- What are the consequences of lowered levels of phytoplankton?