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the-perfect-answer-revision-guide-cie-igcse-biology-2.pdf
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Studocu is not sponsored or endorsed by any college or universityThe Perfect Answer Revision Guide CIE Igcse Biology 2 Perspectives on Science and Engineering (Yale University)
Studocu is not sponsored or endorsed by any college or university
The Perfect Answer Revision Guide CIE Igcse Biology 2 Perspectives on Science and Engineering (Yale University)
Downloaded by Onesmus Gatua (onesmusgatua@gmail.com)
lOMoARcPSD|34248757 Copyright © Hazel Lindsey, Caroline Gillespie 2018 1BiologyThe Perfect Answer Revision Guide To…
CIE IGCSE 9-1 / A*-U
1st Edition Hazel Lindsey, Dr. Caroline Gillespie
For use by WAQAR AHMED waqarabudhabi@yahoo.com ONLY. Not for redistribution. Downloaded by Onesmus Gatua (onesmusgatua@gmail.com)
lOMoARcPSD|34248757 Copyright © Hazel Lindsey, Caroline Gillespie 2018. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means without prior permission from Science with Hazel Ltd 1. Characteristics and classification of living organisms 3 ................................................
2. Organisation of the organism 7 .....................................................................................
3. Movement in and out of cells 10 ...................................................................................
4. Biological molecules 12 .................................................................................................
5. Enzymes 14 ...................................................................................................................
6. Plant nutrition 15 ...........................................................................................................
7. Human nutrition 16 ........................................................................................................
8. Transport in plants 20 ....................................................................................................
9. Transport in animals 22 .................................................................................................
10. Diseases and immunity 25 ............................................................................................
11. Gas exchange in humans 26 .........................................................................................
12. Respiration 28 ...............................................................................................................
13. Excretion in humans 29 .................................................................................................
14. Coordination and response 30 ......................................................................................
15. Drugs 34 ........................................................................................................................
16. Reproduction 35 ............................................................................................................
17. Inheritance 40 ................................................................................................................
18. Variation and selection 43 .............................................................................................
19. Organisms and their environment 45 ............................................................................
20. Biotechnology and genetic engineering 48 ...................................................................
21. Human influences on ecosystems 50 ............................................................................
Copyright © Hazel Lindsey, Caroline Gillespie 2018 2For use by WAQAR AHMED waqarabudhabi@yahoo.com ONLY. Not for redistribution. Downloaded by Onesmus Gatua (onesmusgatua@gmail.com)
lOMoARcPSD|34248757 NOTE: Core content is given in this format (Grades 1-5). Supplementary content is given in italics (grades 5-9) 1. Characteristics and classification of living organisms Characteristics all living organisms show: •Movement •Respiration •Sensitivity •Nutrition •Excretion •Reproduction •Growth
Define movement •Action by all or part of an organism •Causes change in position or place Define respiration •Chemical reactions in cells •Nutrient molecules broken down •Energy released for metabolism Define sensitivity •Detecting and responding to changes in the environment •Sensing stimuli in the internal or external environment •Making appropriate responses Define growth •Permanent increase in size •Increase in dry mass •Cell numbers and/or cell size increase Define reproduction •Processes that make more of the same kind of organism Define excretion •Removal from organisms of toxic materials and substances in excess of requirements •Removal of waste products of metabolism Define Metabolism •Chemical reactions in cells including respiration Define nutrition •Taking in materials for energy, growth and development Plants require: •Light •Carbon dioxide •Water •Ions Animals require: •Organic compounds •Ions •Usually need water Copyright © Hazel Lindsey, Caroline Gillespie 2018 3For use by WAQAR AHMED waqarabudhabi@yahoo.com ONLY. Not for redistribution. Downloaded by Onesmus Gatua (onesmusgatua@gmail.com)
lOMoARcPSD|34248757
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