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