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