34.1: Digestive Systems

Digesting plant material is not easy because plant cell walls contain the polymeric sugar molecule cellulose. The digestive enzymes of these animals cannot break down cellulose, but microorganisms present in the digestive system can. Therefore, the digestive system must be able to handle large amounts of roughage and break down the cellulose.

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Fermentation I n the Hindgut of Mammals

that defecate at frequent intervals, such as kangaroos, have little in the way of a rectum, but in species that only defecate occasionally, such as the sheep, the rectum and its contents are usually obvious on dissection of the digestive tract (Stevens and Hume 1995). This chapter concentrates on fermentation in the mammalian hindgut and thus

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Describe two mammalian adaptations for digesting plants.

Describe two mammalian adaptations for digesting plants. Solution. Verified. Answered 1 year ago. Answered 1 year ago. ... Food goes through the stomach and little intestine before entering the cecum. ... How do plants and animals differ with regard to the type of compartment in which statoliths are found and the physiological mechanism for ...

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Gastrointestinal Tracts of Herbivores, Particularly the …

Physiology and Microbial Digestion of Plants Burk A. Dehority Department of Animal Sciences The Ohio Agricultural Research and Development Center The Ohio State University, Wooster, Ohio 44691 USA ... digestive tract; however, there is little evidence that any appreciable amount of cellulose digestion occurs in most species of birds (Vispo and ...

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CH.18 BIO Flashcards

the group of plants that have both xylem and phloem are called the ___ plants. Saprotrophs. with regard to nutrition, fungi differ from plants in that they are ___. photosynthetic, eukaryotic, multicellular. characteristics of plants: vascular. the plant tissue that consists …

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Turning Waste Into Food: Cellulose Digestion

 — Vegetation, which is severely lacking in the modern diet, is the major source of insoluble fiber. Vegetables contain many vitamins, nutrients, and soluble fiber, which has numerous health benefits as mentioned in the introduction. ... Church, Digestive Physiology and Nutrition of Ruminants (O & B Books, Corvallis, Oregon, 1979). 7. R. L.

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46.8: Variations in Vertebrate Digestive Systems

Digesting plant material is not easy because plant cell walls contain the polymeric sugar molecule cellulose. The digestive enzymes of these animals cannot break down cellulose, but microorganisms present in the digestive system can. Therefore, the digestive system must be able to handle large amounts of roughage and break down the cellulose.

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Rumen Fermentation, Digestive Enzyme Activity, and …

 — The Shuttleworthia genus was abundant in the high hay diet, which was highly correlated with fiber digestion . Shuttleworthia was the unique bacteria in the post-weaning group and highly correlated with several key rumen digestive enzymes and fermentation indexes, which make it a promising target bacteria to regulate rumen …

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24.4: Invertebrates and Vertebrate Digestive Systems

 — The digestive enzymes of these animals cannot break down cellulose, but microorganisms present in the digestive system can. Therefore, the digestive system must be able to handle large amounts of roughage and break down the cellulose. Pseudo-ruminants have a three-chamber stomach in the digestive system. However, their …

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16.5B: The Rumen and Ruminant Animals

 — Ruminant animals use a special four-chambered stomach with a unique microbial flora to digest tough cellulose found in the plants in their diets. Most vertebrates cannot make cellulase, the enzyme that breaks down cellulose, but microbes in the rumen produce it for them. Ruminants chew and ingest plant matter and then swallow it.

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23.4 The Stomach

Cells that make up the pyloric antrum secrete mucus and a number of hormones, including the majority of the stimulatory hormone, gastrin. The much larger glands of the fundus and body of the stomach, the site of most chemical digestion, produce most of the gastric secretions. These glands are made up of a variety of secretory cells.

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Termite Ecology in the First Two Decades of the 21st …

 — 2. Methodology. The notional purpose of this chapter is to provide an overview of termite ecology, but the subject has become so voluminous (Web of Science TM identifies more than 500 published articles since 1970 using the keywords "termite" and "ecology") that it is more manageable to focus on the first two decades of the 21st …

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Are you absorbing the nutrients you eat?

 — Heme iron is more readily available for absorption than non-heme iron. Heme iron is found in foods like meat, fish or poultry and non-heme iron is found in plants. Recommendations for iron intake for vegetarians are higher than for those who eat meat because the non-heme iron in plants is less bioavailable. Interactions with compounds in …

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4.3: Digestion and Absorption

 — Digestion. Digestion of food is a form of catabolism, in which the food is broken down into small molecules that the body can absorb and use for energy, growth, and repair.Digestion occurs when food is moved through the digestive system. It begins in the mouth and ends in the small intestine. The final products of digestion are absorbed from …

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digest verb

Definition of digest verb in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. ... it is changed into substances that your body can use Humans cannot digest plants such as grass. You should allow a little time after a meal for the food to digest.

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The Crucial Role of Birds in Seed Dispersal and Plant …

When birds consume fruits and berries from different individuals, they inadvertently mix the seeds from different plants in their digestive system. As a result, the seeds that are dispersed through feces have the potential to grow into plants with a diverse genetic makeup. This genetic diversity enhances the adaptability and resilience of ...

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Green Landscapes: Native Plants and Soil

New plants shouldn't languish on-site waiting to be planted. If they must be stored, make sure they stay well watered. Heel-in rootballs and provide nutrients as required. Don't place plants against the house. Remember that plants too close to the building may encourage insect infestation and can trap moisture, leading to mold or even decay.

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Digestion and Absorption of Carbohydrates

The products of bacterial digestion of these slow-releasing carbohydrates are short-chain fatty acids and some gases. The short-chain fatty acids are either used by the bacteria to make energy and grow, are eliminated in the feces, or are absorbed into cells of the colon, with a small amount being transported to the liver.

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