African Elephant is Vulnerable to Extinction At six tons‚ the African elephant is the largest land animal. It is larger than the Asian elephant and has bigger ears than those elephants. African elephants are vulnerable to extinction because of human devolpment‚ poaching‚ and conflict with people. African elephants roam south of the Sahara Desert. They have large trunks that are used for gathering food‚ communicating and drinking water. Additionally‚ the trunks allow elephants to shower themselves
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Multiple Choice Questions Choose the correct answers from the following: 1. _________ described the circulation of blood in 13th century. (Bu Ali Sina‚ Ali Bin Isa‚ Ibn-Al Nafees) 2. Each fore limb of frog has _________ fingers. (4‚ 5‚ 6) 3. Fruit is formed by the enlargement of _________. (Stigma‚ Style‚ Ovary) 4. The earthworm belongs to the phylum _________. (Nematoda‚ Annelida‚ Mollusca) 5. The saliva contains an enzyme known as _________‚ which acts on carbohydrates
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Chapter I Introduction Photosynthesis is the process by which autotrophic organisms convert light energy to chemical energy in the form of glucose. Without this process life on earth would be very different because every organism directly or indirectly depends on photosynthesis. Photosynthesis helps the plants to grow roots‚ leaves‚ flowers and fruits. It is an extremely important process because plant tissue serves as the bottom of every food chain. The process of photosynthesis is dictated
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The simplicity that is pollination is one that we as a race would have a hard time living without. Not only because of the food yield‚ but also the economic impact the industry has had in the last century. The act of pollination has been industrialized for a while now. Some people have even linked the act back to ancient Egypt around 2400 years ago (History of Beekeeping‚ 2010). Since then the practices have gradually moved into the United States and we have begun to see just how important these
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mated queen. She then scrambles onto the tree‚ finds the perfect thorn‚ and gnaws away at it until she has an opening into which she crawls and lays her eggs. As the colony grows‚ the ants help the tree reproduce by taking its seeds to favorable germination sites
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Commodity Profile CACAO Introduction Philippines can be a potential producer of cocoa. The climatic conditions and soil characteristics are conducive to growing cocoa. There is presently an increasing interest from local farmers because local and international demand for cocoa products is way beyond the production capacity of the country and world prices have been constantly favorable. With a positive attitude towards sustainable cacao production in the country‚ the Philippines can compete
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death. Along with tainted meat‚ the bacterium can normally be found within the human gastrointestinal tract‚ fecal matter‚ and soil. Its endospores can lie dormant for long periods of time until the right conditions present itself to begin its germination process. Whether or not careful food handling was present during its preparation‚ C. perfringens endospores can survive in proper cooking conditions and can withstand boiling temperatures for up to an hour 2. Due to its ability to germinate so rapidly
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Parts of plants Each part of a plant has a very important function. All plants produce flowers for the same reason: to make seeds so another plant can grow. Leaves: These are the parts of the plant where food is made by photosynthesis. Leaves take in carbon dioxide from the air‚ water from the soil‚ and energy from the sunlight. During photosynthesis‚ the leaves use light energy to change carbon dioxide and water into food. (sugar) Flowers: These are the reproductive parts of
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To the locals of Southern California early autumn marks the beginning of the Santa Ana winds. The Santa Ana winds are extremely dry and powerful winds‚ that are funneled through canyons from inland valleys to the coast of Southern California. The two essays “Brush Fire” by Linda Thomas and “The Santa Ana” by Joan Didion are different perspectives of the Santa Ana winds. Thomas views the Santa Ana winds as a necessity of nature‚ while Didion views them as a malevolent force of nature. Linda Thomas
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a fire-driven ecosystem‚ requiring regular burning to rejuvenate and survive. Fynbos should ideally be burnt every 15 years‚ and preferably later in summer. This burns the moribund vegetation‚ returns the nutrients to the soil and triggers the germination of seeds. Some plants achieve this when the fire triggers dead flower heads to release dormant seeds‚ while other seeds remain dormant in the ground until they are 3 triggered by the heat of the fire. Some Fynbos plants resprout from the burnt stems
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