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