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