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