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