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