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