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