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