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