# 49 Diet The food an animal eat everyday is called diet. Most animals need 7 types of nutrients in their diet: carbohydrates‚ proteins‚ fats + water‚ fibre‚ vitamins‚ minerals. The amount of energy needed is provided mainly by our carbohydrate and fat intake. Your dietary requirements depend on your age‚ sex and activity. - Age: The energy demand increases until we stop growing. While children are growing they need more protein per kilogram of body weight than adults do. - Sex: Generally
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Dry Wallum The dry wallum is a harsh environment that is battered by the sun and wind every day and with a base of porous sand; water availability is very scarce and must be conserved. The abiotic factors in the dry wallum are that the area is exposed to high amounts of sunlight which causes a loss of water in the leaves through transpiration. Since the wallum is so dry and hot; bush fires play a major cycle in the dry wallum which the trees have adapted to cope with. The roots of the plant and
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Homework Title: Photosynthesis and Respiration 1) Define these terms and arrange them from smallest to largest: Ch 5 WIO #3 • Thylakoid membrane Answer: Thylakoid membrane is a compartment in a plant cell that has light pigment that carry out the photosynthesis process. • Chloroplast Answer: Chloroplast is a type of organelle found in plants and algae that carry our photosynthesis. • Reaction center Answer: Reaction center is where chlorophyll a molecule and other
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Gas exchange is a biological process that is essential for the survival of an organism. The purpose of this process is to obtain oxygen from the environment (which is necessary for cellular respiration‚ and to dispose of CO2‚ a bi product of respiration. An efficient gas exchange system has 3 requirements. It must have a large surface area over which the gases can diffuse. A large surface area maximises the amount of area available for the gases to exchange. It must also be moist. Oxygen must first
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Survival of the Sickest chapter two concentrates mainly on the disease named diabetes. The full scientific name is actually diabetes mellitus‚ or “passing through honey sweet” Diabetes is an extremely common and well known disease that becomes more and more common every day. The disease is based on sugar is the body‚ or glucose. When your body breaks down carbohydrates‚ it produces glucose‚ and essential sugar for the human body. There is a bodily function in which insulin helps the body use glucose
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SPEECH BY MR THARMAN SHANMUGARATNAM‚ MINISTER FOR EDUCATION‚ AT DEEPAVALI LIGHT UP SWITCH-ON CEREMONY ON FRIDAY‚ 15 OCTOBER 2004‚ AT 7.00 PM Mr Heng Chee How‚ Minister of State‚ Ministry of Trade and Industry‚ and Mayor‚ Central Singapore CDC Mr Lim Neo Chian‚ Deputy Chairman and Chief Executive‚ Singapore Tourism Board Mr V R Nathan‚ Chairman‚ Hindu Endowments Board Dr Uma Rajan‚ Adviser‚ Little India Shopkeepers & Heritage Association Distinguished Guests Ladies and Gentlemen
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Arrangement of Vascular Tissues in Flowering Plants • Xylem and phloem often are grouped together -> vascular bundle • Cambium -> lies in between xylem and phloem -> divide and differentiate -> form new xylem and phloem tissues -> thickening of stem Movement of Substances Into and Within Flowering Plants Entry of Water and Nutrients into Plants • Absorption of water -> root hairs -> grow into close contact with liquid around them • Thin film of liquid surrounding soil
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Virtual Lab: Punnett Squares Worksheet Part I: Answer the following questions: 1. Which of the following is most inclusive? a. allele b. genotype 2. Dominant alleles are represented by: a. an upper case letter b. a lower case letter c. it does not matter what type of letter is used 3. In fruit flies‚ gray body color is dominant over black body color. Using the letter G to represent body color‚ what is the genotype of a heterozygous gray bodied fly? a.
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Chapter 23 - The Heart 331 The Heart - Key 1 2 3 What is the name of the central region of the thorax? The central region of the thorax is the mediastinum. About how much of the heart is to the left of the mid-sternal line? Two-thirds of the heart is to the left. Where is the location of the apex of the heart? The apex of the heart is located to the left at the fifth intercostal space. Figure 23.2 11 In reference to Figure 23.2‚ identify #1 - #3. 3 Epicardium 1 Pericardium 2 Pericardial
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Biology is a natural science concerned with the function‚ growth‚ structure‚ evolution and distribution of organisms. It is the science of life‚ involving the study of all living things ranging from the atomic to ecosystem level. Far from being a science restricted to universities and laboratories‚ the principles and findings of biological sciences have uses in everyday life. Human Health · When people get sick‚ they visit the doctor‚ who is a practitioner of medicine‚ the branch of biology
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