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