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