The metabolic explanation of these processes is expressed in concepts like endogenous respiration (Gujer et al., 1999), death-regeneration (Dold et al., 1980), maintenance (Loosdrecht van and Henze, 1999) or predation (Moussa et al., 2005).xperimental evidence for the validity of the endogenous respiration model comes from Marais and Ekama (1976) . Using the OUR method, the value of b OHO was found to be 0.24 d â1 and independent from SRT in the range of 2.5â30 days. Similar results were obtained by van Haandel et al.
Whale barnacles attach themselves to the bodies of baleen whales during the barnacles free-swimming larval stage. Though often described as parasites, the relationship is an example of obligate commensalism, as the barnacles neither harm, nor benefit, their host. Elyse Â· 5 months ago. Thumbs up.
Whale Uses Baleen Fashion Utilitarian. Baleen. Until the end of the 19th century it was baleen, rather than oil, that was the primary product sought by the Greenland whalers. Confusingly, baleen was always known as whale-bone by the whalers and by those who used it in manufacture. It is not bone, but a derivative of skin! Baleen whales eat small, planktonic crustaceans such as copepods and krill, or small shoaling fish including herring and sardines. These whales have no teeth, instead, they feed by straining their food from the sea using a series of baleen plates that are made of keratin, the same material that forms your hair and nails and the hooves and horns of cows.