Sap activity, which transforms excess ingested sugar into long-chain oligosaccharides." A much larger set of animals do however consume phloem sap by proxy, either "through feeding on the honeydew of phloem-feeding hemipterans. Honeydew is physiologically less extreme than phloem sap, with a higher essential:non-essential amino acid ratio and lower osmotic pressure," or by feeding on the biomass of insects that have grown on more direct ingestion of phloem sap. Maple syrup is made from reduced sugar maple xylem sap. The sap often is harvested from the Sugar Maple, "Acer saccharum". In some countries (e.g., Lithuania, Latvia, Estonia, Finland, Belarus, Russia) harvesting
The Sap (1929 film) The Sap (1929 film) The Sap is a 1929 American comedy film directed by Archie Mayo and written by De Leon Anthony and Robert Lord. It is based on the 1924 play "The Sap" by William A. Grew. The film stars Edward Everett Horton, Alan Hale Sr., Patsy Ruth Miller, Russell Simpson, Jerry Mandy and Edna Murphy. The film was released by Warner Bros. on November 9, 1929. The sap, unemployed and hapless Bill Small, is not regarded by his wife Betty and her relatives. But he is redeemed by a wise stock investment in wheat which reverses his fortunes