Zooplankton are tiny animals.
prokaryotes
zooplankton
phytoplankton
eukaryotes
To attract a mate
To see in the dark
Just for fun
To scare away predators
Thousands of cells
Millions of cells
A few dozen 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 saltier.
it makes the water more acidic.
microscopic
drifting or wandering
plants
aquatic (water-living)
algae
the ocean