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