ANSWERS Cambridge IGCSE® Biology Practice Book Answers 1 Characteristics of living things 1 Characteristic respiration an increase in size‚ mass and complexity of an organism excretion producing offspring‚ which prevents extinction of the species sensitivity this involves feeding – obtaining nutrients for growth‚ energy and maintaining health reproduction in response to changes‚ e.g. presence of a predator‚ to find food or a mate growth the ability
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London docklands- research project Section 1. Urban decline: When an urban area starts losing business and places close; people lose their jobs; people move away from the area; the local economy shrinks along with the population‚ buildings and public places become rundown and badly maintained; which means the desirability of the area falls... it’s a vicious circle Urban regeneration: Rehabilitation of impoverished urban neighbourhoods by large-scale renovation or reconstruction of housing and
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1) What is the purpose of ice or cold water? To cool down the gas so that it condenses and turns into a liquid. 2) when the gas collecting tube is upside down‚ give a property of this gas. It is less dense than air. 3) Why is a pencil used in drawing the origin line in chromatography? If pen was used‚ it will dissolve giving colours and so‚ the experiment won’t be accurate. Pencil doesn’t interfere with the results. 4) When using ethanol‚ give a better apparatus arrangement‚ and why? Cover
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There is no form of division it’s more of a case of unity. “The London 2012 Olympic Games delivered the biggest national television event since current measuring systems began‚ with 51.9m (90% of the UK population) watching at least 15 minutes of coverage. 24.2m (42% of the UK population) also watched at least 15 minutes of coverage on the BBC Red Button.” [London 2012 Olympics deliver record viewing figures for BBC]. The demonstration effect was utilised during
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DRUGS A drug is a chemical substance taken into the body that modifies or affects chemical reactions in the body. Generally‚ drugs are developed for medical use. Without drugs‚ people would live much shorter lives or suffer greater pain. All drugs are dangerous when misused. ANTIBIOTICS [pic] What are Antibiotics? a chemical substance ‚ produced by a microorganism (bacterium or fungus) which will inhibit the growth or replication of other microorganisms. • Effective
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Surname Centre No. Candidate No. Paper Reference(s) Initial(s) Paper Reference Signature 7 0 4 0 7040/02 0 2 Examiner’s use only London Examinations GCE Biology Ordinary Level Paper 2 Friday 18 January 2008 – Afternoon Time: 2 hours Team Leader’s use only Question Leave Number Blank 1 2 3 4 5 Materials required for examination Nil Items included with question papers Nil 6 7 8 Instructions to Candidates In the boxes above‚ write your centre number‚ candidate
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Biology Revision summer 2012 1-Characteristics of living organisms Nutrition- taking in of nutrients which are organic substances and mineral ions ‚ containing raw materials or energy for growth and tissue repair ‚ absorbing and assimilating them . Excretion- the removal from organisms of toxic material‚ the waste products of metabolism and substances in excess of requirement . Respiration- the chemical reactions that break down the Sensitivity- The ability to detect or sense changes in the
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2 First examination 2012 Pearson Education Ltd is one of the UK’s largest awarding organisations‚ offering academic and vocational qualifications and testing to schools‚ colleges‚ employers and other places of learning‚ both in the UK and internationally. Qualifications offered include GCSE‚ AS and A Level‚ NVQ and our BTEC suite of vocational qualifications‚ ranging from Entry Level to BTEC Higher National Diplomas. Pearson Education Ltd administers Edexcel GCSE examinations. Through
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Abstract This paper is a work of self-examination to find out what influenced my development from birth to this my 56th year. I will delve into my past and try to honestly and without judgment describe what events and actions led me to become the person I am today. I will look at the way in which the culture and family I grew up in build the frame-work of the person I have evolved into. I am a white woman who just turned fifty-six years old. I have been married to my husband
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Examination of Clinical Psychology Paper 1 Examination of Clinical Psychology Psy 480 January 28‚ 2013 Dr. Lewis When a student is entering into psychology‚ there are many venues he or she will have to look into. Will he or she decide to become a Social Worker‚ a Psychologist‚ a Psychiatrist or a Clinical Psychologist? First the student will need to do some research to see what each
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