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