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