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