products: soybean‚ corn‚ canola‚ rice‚ and cotton seed oil. Animal products have also been developed ‚ although as of July 2010 none are currently on the market. In 2006 a pig was engineered to produce omega- 3fatty acids through the expression of roundworm gene. Researchers have also developed a genetically – modified breed pigs that are able to absorb plant phosphorus more efficiently and as a consequence the phosphorus content their manure is reduced by as much as 60% (Wikipedia‚ the Free Encyclopedia
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to producers. The largest and most commonly studied phyla of animals are: 1 2 3 4 5 6 7 8 Porifera (sponges) Cnidaria (jellyfish‚ hydras‚ sea anemones‚ Portuguese man-of-wars‚ and corals) Platyhelminthes (flatworms‚ including planaria‚ flukes‚ and tapeworms) Nematoda (roundworms‚ including rotifers and nematodes) Mollusca (mollusks‚ including bivalves‚ snails and slugs‚ and octopuses and squids) Annelida (segmented worms‚ including earthworms‚ leeches‚ and marine worms) Echinodermata (including sea
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Common dog health problems include disease‚ which can be viral‚ bacterial‚ and parasitic. Other problems have to do with nutrition and particularly obesity. One well known viral disease commonly linked to dogs is rabies. In most of the developed world it has been eliminated due to extensive vaccination requirements‚ it still remains a problem in other parts of the world. These include Africa‚ the Middle East and South America. Rabies in dogs is a fatal illness that is spread by the bite of an infected
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there are several examples of symbiosis. The relationship between the freshwater sponge and spongillafly is an example of paratism. The spongillafly lays its eggs on the sponge‚ and then they hatch and feed off the sponge. Another parasite is the flatworm. It resides in organisms such as the snail and can infect them with deadly diseases. There are also examples of commensalism in this biome. First is the relationship between small fish and the pond weeds; the fish hide between these weeds from larger
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divided into groups: vertebrates‚ Echinoderms‚ Jelly fish‚ Flatworm‚ Annelids‚ Nematodes‚ Arthropods and
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is “zoonotic”--capable of being transmitted to humans from animals--are the major cause of concern. If ingested‚ some of these pathogens (including Cryptosporidium‚ Giardia and Salmonella among others) may result in serious illness or even death. Roundworm and hookworm infections
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Ecdysozoans _ One of the two large subdivisions within the Protostomia _ Builds a cuticle‚ an outer layer of organic material that functions as its skeleton _ Cuticle is regularly shed (ecdysis) _ Have separate sexes and copulate Ecdysozoa Cuticle – nematode and arthropod Phylum Nematoda (15‚000 species) (Gr. nematos‚ thread) _ marine‚ freshwater‚ terrestial or parasitic _ long cylindrical body _ cuticle (cortical‚ matrix and fibrous) _ hydrostatic skeleton _ longitudinal muscles only _ pseudocoelom
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Introduction Aging is a deleterious‚ progressive and irreversible cascade of changes in an organism. In humans‚ biological aging falls under two categories of theories: the programmed aging and the damage theories. Programmed aging theories include the programming of genes‚ hormones and the immune system to regulate aging‚ while the damage theories concern free radicals and wear and tear (Jin‚ 2010). Damage to molecules‚ cells and organs always accompany aging‚ resulting in age-related diseases.
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long wooden stick with horse hair that used to play string instruments such as violin. “She broke her bow in her last recital”. b. Fluke Unlikely chance occurrence; especially a surprising piece of luck. “Their triumph was no fluke”. A parasitic flatworm that typically has suckers and hooks for attachment to the host. "In Asia the species is known to host parasitic lung flukes‚ which can infect humans if the crabs are eaten undercooked." (Oxford Dictionary) The words tweeting‚ tweetable‚ tweeps‚
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The History of Cell Theory As we all probably know today‚ every single living being is made up by cells the building blocks of life. As much as we would like to take this fact for granted‚ we cannot help but acknowledge and remember the works and discoveries of earlier scientists which all contributed to our today’s understanding of the cell theory. The cell theory being; all living things are composed of one or more cells‚ cells are organisms’ basic units of structure and function‚ and cells
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