minutely realized it‚ it will surely lead to success. * Nuclear energy is useful but disposal of nuclear waste poses a serious problem to humanity. * Insecticides have increased the food supply but they a lot of harm to birds‚ fishes and useful insects. * Chemistry which is also a branch of science has given many drugs like cocaine‚ brown sugar etc. which are proving a curse to the society. * Vibration coming from mobile phone affects our heart and brain‚ touch sreen mobile phones can lead
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Verbal visual essay The front page is a VVE on the novel "The Catcher in the Rye" by J.D.Salinger. In the middle of the picture you can see a blindfolded scarecrow wearing an red hunting hat and am red scarf‚ this is the protagonist of the novel‚ Holden Caulfield. Holden is placed in the middle because the novel is surrounding him‚ the red hunting hat his wearing represent his uniqueness and protecting him from others. The blindfold has the same meanign‚ he doesn’t want to see the reality of the
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environments as well as resources; through this cause we have damaged one of the global ecosystem’s most important links in the food web. The honeybee is the world’s most efficient and widespread pollinator. Honeybees provide the crucial harmony between insects and plants; as the bees spread the pollen to flowers propagating the reproduction process of a vast majority of plant species. The United Nations food agency estimates nearly three-quarters of the 100 crop species that provide most of the world’s
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The Dominance of Insects ......................................................................................... 4 Why are insects so successful? .................................................................................. 5 Economic importance - how do insects affect us? ..................................................... 6 Features of Arthropods .............................................................................................. 7 Classification of Insects ...............
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the globe then man would only have four years of life left. No more bees‚ no more pollination‚ no more plants‚ no more animals‚ no more man.” According to the United States Department of Agriculture‚ “about one-third of the human diet comes from insect-pollinated plants‚ and the honeybee is responsible for 80 percent of that pollination” (“NBC”). Additionally‚ “bees pollinate over ninety five flowering crops. Among these crops are: apples‚ nuts‚ avocados‚ soybeans‚ asparagus‚ broccoli‚ celery‚ squash
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on the natural life processes of bees. The honey bees are a keystone species within the biosphere because their unique abilities balances the ecosystem‚ promotes biodiversity and provides for humans. Honey bees are one of the most basic insect species needed‚ but people still have unfavorable views in regard to bees in general.
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phenomenon of swarming occasionally occurs in some insect species‚ such as locusts. At such times locusts occur in very large numbers and they attack vegetation including crops. (i) Explain TWO consequences to a farmer if his crop is attacked by a swarm of locusts. (2 marks) (ii) Suggest why spraying with insecticide would be an ineffective method of controlling swarming locusts. (2 marks) (iii) Explain TWO methods that could be used in controlling insect pests. (4 marks) Total 20 marks 2. (a) (i)
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appear spooky‚ some hilarious. The giant canopy forms a colossal labyrinth overhead‚ which waves silently in the mild zephyr with smothered whispers that are drowned by the broken bits of squeaking by irate bats swooping overhead‚ preying on hapless insects. The place gets transformed into a pitch-black graveyard‚ except for the tiny activity in the bushes and sights of glinting eyes scampering between ones path. The crunching sound of dry twigs resounds with an enhanced pitch in the tranquil surroundings
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species‚ they can be found in Europe‚ Africa‚ southeast Asia‚ Australia‚ as well as North‚ Central‚ and South America. The Barn Owls prey on any small mammals that live in open habitats a few examples are voles‚ shrews‚ mice‚ bats‚ rats‚ birds‚ and insects such as moths are also eaten. These predators are exposed to harmful chemicals/poisons because of the prey that they eat and where their habitats are found. There are some harmful chemicals and or poisons found in the prey‚ such as DDT‚ PCBs‚
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widely and coming to dominate in the community causing economic or environmental harm. The cane toad is an example of an invasive species. It is a large‚ strong‚ and healthy amphibian that is native to Central and South America. They are predators of insects and other small prey. The cane toad was introduced to Australia in 1935. The reason that it was brought to Australia was to try to control the pest beetles that were destroying fields of sugarcane before the use of chemicals. It was a catastrophic
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