Across
- 2. Plankton are ______. We usually can't see them!
- 5. Zooplankton eat ________.
- 7. Plankton are carried by ______and_____.
- 9. Animal-like plankton that eat phytoplankton
- 10. A large animal that feasts on plankton
Down
- 1. Plant-like plankton that use photosynthesis to make their food
- 3. Phytoplankton release _____ through photosynthesis.
- 4. Zooplankton drift deeper during the day to avoid ______.
- 6. To make oxygen, phytoplankton need to take in _______.
- 8. Phytoplankton live at the surface of the ocean because they need _______.
