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Definition and related terms. Herbivory is a form of consumption in which an organism principally eats autotrophs [6] such as plants, algae and photosynthesizing bacteria. More generally, organisms that feed on autotrophs in general are known as primary consumers. Herbivory is usually limited to animals that eat plants.
Hindgut fermentation. Hindgut fermentation is a digestive process seen in monogastric herbivores (animals with a simple, single-chambered stomach). Cellulose is digested with the aid of symbiotic microbes including bacteria, archaea, and eukaryotes. [1] The microbial fermentation occurs in the digestive organs that follow the small intestine ...
As bacteria conduct fermentation in the rumen, they consume about 10% of the carbon, 60% of the phosphorus, and 80% of the nitrogen that the ruminant ingests. [30] To reclaim these nutrients, the ruminant then digests the bacteria in the abomasum. The enzyme lysozyme has adapted to facilitate digestion of bacteria in the ruminant abomasum. [31]
It is the type of bacteria that convert lactose into lactic acid in yogurt, giving it its sour taste. These lactic acid bacteria can carry out either homolactic fermentation , where the end-product is mostly lactic acid, or heterolactic fermentation , where some lactate is further metabolized to ethanol and carbon dioxide [ 18 ] (via the ...
A monogastric organism has a simple single-chambered stomach (one stomach). Examples of monogastric omnivores include humans, pigs, hamsters and rats. Furthermore, there are monogastric carnivores such as cats. [1] A monogastric organism is contrasted with ruminant organisms (which have four-chambered complex stomachs), such as cattle, goats ...
Secondary metabolites, also called specialised metabolites or secondary products, are a type of natural product (organic compounds produced by living organisms) generated by lifeforms (e.g., bacteria, archaea, fungi, plants, or animals) that are not directly involved in the normal growth, development, or reproduction of the organism.
Microbial metabolism. Microbial metabolism is the means by which a microbe obtains the energy and nutrients (e.g. carbon) it needs to live and reproduce. Microbes use many different types of metabolic strategies and species can often be differentiated from each other based on metabolic characteristics.
Many plant fibers, for example, are indigestible to many herbivores leaving grazer community food webs more nutrient limited than detrital food webs where bacteria are able to access and release the nutrient and energy stores. [34] [35] "Organisms usually extract energy in the form of carbohydrates, lipids, and proteins. These polymers have a ...