There are several circumstances in which you should walk away from an extended warranty on a used car. One is obvious: If the car is still covered by the manufacturer warranty, we strongly caution against buying an extended warranty.
Oscillatoria blue green algae that is motile by gliding. Pediastrum duplex . Possibly Pediastrum duplex Pediastrum boryanum ? Pediastrum sp. are planktonic green algae with flat, plate like cluster of cells with one or two points. They come in many different variations. The colonies usually contain 8 to 32 cells, with examples of 4, 64 or occasionally 128.
This algal division includes the largest multicellular algae (and largest protists), the giant kelps, which can be more than 30 feet long. Another relatively well known species of brown algae is Sargassum, which lives in great masses floating in the Sargasso Sea.