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