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