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