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