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