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