They aren't very dense, so they float.
Flagella
To keep from sinking and capture more light.
It is called the "Swim Bladder".
Phytoplankton and zooplankton
phytoplankton. phytoplankton.
whales
no,but they have oil rich livers.It prevents them from sinking when they are not swimming. but some fishes have swim bladders. ex:guppies,goldfish..........
The scientific name of phytoplankton is phytoplankton. Phytoplankton refers to a diverse group of photosynthetic microorganisms that drift in aquatic environments.
Zooplankton eat phytoplankton
Copepods will eat phytoplankton.
Phytoplankton eats all other kinds of Plankton!?.
Snow shoes are broad in order to spread the weight over a larger portion of the snow, which prevents you from sinking into the snow.