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.
Benthic Algae â microalgae and macroalgae that grow on the bottom substrate of a. waterbody (e.g., rocks, logs, mud). E. Periphyton â microscopic algae, bacteria, and fungi that grows on the bottom substrate. (e.g., rocks, logs) of a waterbody. Does not include macroscopic algae, such as. Cladophora, Spirogyra, Chara, and Vaucheria (Stevenson et al.