2011 PRELIMINARY EXAMINATION PAPER Senior Science General Instructions * Reading Time – 5 minutes * Working Time – 2 hours * Write using black or blue pen * Draw diagrams using pencil * Board-approved calculators may be used * Write your Student Number at the bottom of this page | Total Marks - 75 Section I Pages 2–1675 marksThis section has two parts‚ Part A and Part BPart A – 20 marks * Attempt Questions 1–20 * Allow
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Ecology ➢ Climate is weather conditions of a region like temperature‚ humidity‚ precipitation‚ sunlight pressure‚ winds‚ throughout the year over a period of time ➢ Ecology – is the study of the interactions between organisms and the environment ➢ Abiotic factors –temperature and water ➢ Microclimate – a classification at the small scale variation ➢ Dispersal – movement away fro origin ➢ Macroclimate – a classification at the global and regional level
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Have you ever thought about how many animals there were back then? We have been researching the 10 geological time periods and we found some interesting things. Like for example‚ there were many species of animals‚ plant‚ and fungi. There is one big question‚ has the amount of species gone up or down over time? Yes‚ I believe that the number of animals living on earth has increased over time‚ i believe this because scientist are finding new species of some sort‚ There is a lot of land that could
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is found only in the high mountainous regions of Vancouver Island‚ in British Columbia‚ the Canadian Species at Risk Act listing it as endangered in May 2000. 4. Seychelles Sheath-tailed Bat – Inhabiting the central granitic islands of the Seychelles Islands north of Madagascar‚Seychelles Sheath-tailed Bat the bat is part of our list‚ being one of the most endangered animals since fewer than 100 are believed to exist in the world. 5. Javan Rhino – This scarce animal is one of the rhino species with
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in the ecosystem we would have lower levels of oxygen to breathe and at the same time a lot less allergies to things such as pollen but also without pollen bees would not be able to produce honey. c. Round 3 = Without lichens in the ecosystem the plants would struggle to obtain proper nourishment. d. Round 4 = Without bees in the ecosystem processes such as flowers blossoming. Bees are important for pollination of countless hectares of agricultural crops. 2. Provide one action we as humans
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Table Of Contents Climate The Four Levels of the Rainforest. Plant Life Animals Have you ever been to a rainforest? Well knows your chance for a limited time offer since many rainforests are disappearing see them now. Let me explain the wonderful reasons why you would want to go to the rainforest. Think about it. Imagine a foggy forest with birds churpping and monkeys calling. Also you would get to see very rare plants and trees. All this and more when you come to the rainforest. You
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Reaction Paper #1 Our first Botany field trip to the National Botanical Garden was filled with both captivating views and significant information of plant life. Although I was born and raised on Kaua’i‚ visiting there was a first time experience for me. It was definitely an awesome opportunity not only because of the free admission‚ but also to be able to learn about the native and tropical beauty in Hawaii. We started the morning with delicious malasadas (brain food)‚ and then proceeded to
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valuable for educational purpose. Secondly‚ zoos can preserve animals. Apparently‚ animals can evade not only predators but also natural disasters like earthquake‚ hurricanes and so on so forth. This helps them to breed. Then‚ animals are not endangered or to face extinction. We can now protect what the nature gives us‚ as this is also our responsibility. In order to safeguard a diversity of species‚ it is of no alternatives but to keep some of them in zoos. Ladies and gentlemen‚ we have destroyed
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that individual species are not the only factors involved in this dilemma. Although some measures are being taken to help specific causes of endangerment‚ the universal problem that cannot be solved until humans protect the natural habitat where endangered species dwell. Our planet is constantly changing‚ causing habitats to be altered and modified. Natural changes tend to occur at a gradual pace usually causing only a light impact on individual species. However‚ when changes occur at a fast pace
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large number of chameleon species as well as the world’s most endangered tortoise‚ the Angonoka or Ploughshare Tortoise. Insects: Common insects include several species of ants‚ beetles‚ and termites. Scorpions‚ which often thrive in drier climates‚ also make their home in some of the forests as do many types of spiders. - Humans have more bad to the forests rather than good. Humans have been done deforestation and killing many endangered animals making many go extinct. This mess up the environment
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