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While foregut fermentation is generally considered more efficient, and monogastric animals cannot digest cellulose as efficiently as ruminants, [5] hindgut fermentation allows animals to consume small amounts of low-quality forage all day long and thus survive in conditions where ruminants might not be able to obtain nutrition adequate for their needs.
However, their ability to extract energy from cellulose digestion is less efficient than in ruminants. [2] Herbivores digest cellulose by microbial fermentation. Monogastric herbivores which can digest cellulose nearly as well as ruminants are called hindgut fermenters, while ruminants are called foregut fermenters. [3]
Eventually, the mineral-laden water permeates the pores and cells of some dead organism, where it becomes a gel. Over time, the gel will dehydrate, forming an opaline crystal structure that is an internal cast of the organism. This accounts for the detail found in permineralization.
Fiber can be either soluble (pectins and gums) or insoluble (cellulose, hemicellulose and lignocellulose). [13] A simple gastrointestinal tract is not capable of extracting enough nutrients for these animals. One strategy to get the needed nutrition is used by ruminants (e.g., cows). They chew the cud in order to process their food a second ...
However, recent studies of the shark's hindgut has found that it has a high activity level of β-glucosidase. [14] During the digestive process of the bonnethead shark, the acidic stomach weakens the cell walls of the seagrass and allows for β-glucosidase to enter the cell and digest the cellulose.
A large percentage of herbivores also have mutualistic gut flora made up of bacteria and protozoans that help to degrade the cellulose in plants, [1] whose heavily cross-linking polymer structure makes it far more difficult to digest than the protein- and fat-rich animal tissues that carnivores eat.
One possible predator of gorillas is the leopard. Gorilla remains have been found in leopard scat, but this may be the result of scavenging. [47] When the group is attacked by humans, leopards, or other gorillas, an individual silverback will protect the group, even at the cost of his own life. [48]
The western gorilla (Gorilla gorilla) is a great ape found in Africa, one of two species of the hominid genus Gorilla. Large and robust with males weighing around 168 kilograms (370 lb), the species is found in a region of midwest Africa, geographically isolated from the eastern gorilla (Gorilla beringei). The hair of the western species is ...