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