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