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