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