eukaryotes
zooplankton
prokaryotes
phytoplankton
Just for fun
To see in the dark
To attract a mate
To scare away predators
it makes the water saltier.
it makes the water more acidic.
it kills large predators like sharks.
Hundreds of cells
A few dozen cells
Thousands of cells
Millions of cells
microscopic
plants
drifting or wandering
aquatic (water-living)
Zooplankton are tiny animals.
All plankton are microscopic (too small to see without a microscope).
algae
the ocean