A few dozen cells
Hundreds of cells
Thousands of cells
Millions of cells
aquatic (water-living)
plants
drifting or wandering
microscopic
it makes the water more acidic.
it kills large predators like sharks.
it makes the water saltier.
phytoplankton
zooplankton
prokaryotes
eukaryotes
algae
the ocean
Zooplankton are tiny animals.
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