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