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