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