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