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