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