ABSTRACT The exercise was about the techniques in proper sectioning of plant tissues and staining techniques so that the study of plant structure will be easier. In free hand sectioning‚ the plant organ must be 45° upright and is held between the thumb and the base of the forefinger. A razor blade was used to cut the plant thinly in cross sections. Obliquely cut tissue is a big mistake since the surface of the tissue will not be even upon viewing under the microscope. Iodine-Potassium-Iodide
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identify plants: they are autotrophic‚ non-motile‚ they are photosynthetic‚ contain chloroplast‚ perform alternation of generations‚ plants are deciduous or evergreen‚ and the type of leaf and stem structure they have (http://wiki.answers.com/Q/What_characteristics_do_all_plants_share). Most plants are autotrophic‚ meaning they are capable of producing their own food and nutrients themselves‚ synthesizing their own food from inorganic substances‚ by using light or chemical energy. Plants are also
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THE EFFECT OF LIGHT INTENSITY DURING PLANT GROWTH ON THE SIZE OF STOMATA IN DICOT LEAVES Christina Durgan Nicole Romero Vanessa Chilunda Biology 101‚ Thursday 1:15pm Claire Burkum 5 December‚ 2013 1. The hypothesis of this study is that the size of the stomata on the dicot leaves exposed to higher light intensity will be smaller compared to the size of the stomata on the dicot leaves exposed to lower light intensity. This is because at higher light intensity there is an increase in environmental
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The Venus flytrap is a small plant whose structure can be described as a rosette of four to seven leaves‚ which arise from a short subterranean stem that is actually a bulb-like object. Each stem reaches a maximum size of about three to ten centimeters‚ depending on the time of year;[4] longer leaves with robust traps are usually formed after flowering. Flytraps that have more than 7 leaves are colonies formed by rosettes that have divided beneath the ground. Illustration from Curtis’s Botanical
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cultures that the company trying to adapt and implemented in the company regulations‚ Monsanto Company’s regulation had become financial burden to many farmers‚ in patent issue for instance. Farmers who buy seeds from Monsanto could not saved for future plant. This is due to unethical practice done by Monsanto‚ whereby farmers claim that the company forced them to buy new seeds after a year which puts an undue financial burden on them and give Monsanto too much power. Furthermore‚ investigators have used
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If asked to define a freshwater habitat‚ we would almost immediately think of water and fishes. While it is true that those two components usually dominate- they are most evident there- a freshwater habitat is in fact a community of not just plants and animals‚ but of microorganisms as well. Also‚ not forgetting in the mix the non-living‚ biotic and components like soil‚ climate and water. Include all of that along with the complex interrelationships among the organisms and the environment‚ and we
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The Venus Flytrap Dionaea muscipula is a carnivorous plant that is native to North America and more specifically the southeastern parts of the United States. Most people know Dionaea muscipula by its common name‚ Venus Flytrap. The Venus flytrap is found mostly in North and South Carolina with a radius of about 60 miles from Wilmington‚ North Carolina. Although the Venus flytrap is native to this region‚ over the years people have transplanted the plant to Florida and Washington where they continue
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Plants are distributed worldwide in varying numbers. While they inhabit a multitude of biomes and ecoregions‚ few can be found beyond the tundras at the northernmost regions of continental shelves. At the southern extremes‚ plants have adapted tenaciously to the prevailing conditions. (See Antarctic flora.) Plants are often the dominant physical and structural component of habitats where they occur. Many of the Earth’s biomes are named for the type of vegetation because plants are the dominant
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the fishes is depends on the quality and quantity of food that they eaten (Shelby D. Gerking‚ 1994). By identifying the species of food in stomach content of the fishes‚ it will be described the food habit of the fishes. Some fishes feed directly on plants (eg: phytoplankton or pondweeds or both) and some fishes fed on other animals‚ where the word of ‘’predator’’ usually implies on them (Shelby D. Gerking‚ 1994). However‚ Shelby D. Gerking (1994) also state that some fishes prefer phytoplankton and
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6‚ NO. 9‚ SEPTEMBER 2011 ARPN Journal of Agricultural and Biological Science ©2006-2011 Asian Research Publishing Network (ARPN). All rights reserved. ISSN 1990-6145 www.arpnjournals.com PROMISING ANTIFUNGAL EFFECT OF SOME FOLKLORIC MEDICINAL PLANTS COLLECTED FROM EL- HAMMAM HABITAT‚ EGYPT AGAINST DANGEROUS PATHOGENIC AND TOXINOGENIC FUNGI Department of Bioprocess Development‚ Genetic Engineering and Biotechnology Research Institute‚ Mubarak City for Scientific Research and Applied Technology
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