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