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