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