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