Biology form 4(Chap 1 (1)

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  • 1. BIOLOGY FORM 4
  • 2. SUBTOPICS 1.1 The Study of Biology1.2 Scientific Investigation
  • 3. 1.1 - THE STUDY OF BIOLOGY Learning Outcomes :• To state what the study of Biology is,• To explain the importance of Biology,• To list the different fields of study in Biology,• To list the careers related to Biology,
  • 4. What is Biology?• Do you know what is the meaning of ‘Biology’?• Biology comes from Greek word….• Biology is ………..
  • 5. What is Biology?• Includes studying •The structure & cellular organisation & function of living things, •The life processes of living things such as respiration, growth, development, reproduction… •The characteristics of different groups @ categories of living things, •The plant & animal life of a specific area or region, •The interaction of living things with one another & with their environment
  • 6. CHARACTERISTICS OF LIVING THINGS• Response to stimuli• Nutrition• Respiration• Metabolism• Growth• Reproduction• Excretion• Able to adapt to different environments• Locomotion
  • 7. IMPORTANCE OF BIOLOGY• To learn more about ourselves (best reason)• To understand heredity & the inheritance of genetic abnormalities that cause diseases.• To understand the function of organisms• To find treatment for diseases (create new medicine)• For leisure – gardening, fishing, cooking & bird-watching
  • 8. IMPORTANCE OF• BIOLOGY Helps researcHers to study Human biology – slow aging process, cure genetic diseases & Help paralysed people by making nerve cells grow again• For better management on environmental problems• improved quality & production oF Food• provides numerous opportunities For rewarding & cHallenging career, especially in biotecHnology
  • 9. FIELDSOFSTUDY INBIOLOGY
  • 10. STRUCTURE & FUNCTION• Anatomy – the structure & organisation of organisms• Biochemistry – elements, compounds & chemical reactions in living organisms• Cytology - cells• Histology - tissues• Morphology – the form @ shape of an organism• Physiology – mechanical, physical & biochemical functions of living organisms
  • 11. MAJOR GROUPING of ORGANISMS• Bacteriology• Botany• Entomology - cells• Ichthyology – study of fishes• Microbiology• Mycology• Ornithology – study of birds• Taxonomy• Virology
  • 12. DEVELOPMENT of ORGANISMS• Embryology – dev. of the embryo• Evolutionary biology – concerned with the origin & descent of species• Genetics – deals with heredity transmission & the variation• Developmental biology – the process by which organisms grow & develop
  • 13. ORGANISMS & THEIR ENVIRONMENT• Ecology – the distribution & abundance of organisms, their habitat & the interactions between them & their environment• Ethology – study of animal behaviour• Biogeography
  • 14. APPLIED BIOLOGY• Agriculture• Biotechnology – any technological application that uses biological systems, living organisms or derivations thereof, to make or modify products or processes for specific use• Fisheries• Forestry• Medicine• Veterinary medicine• Dentistry
  • 15. CAREER RELATED TO BIOLOGY Agriculturalist, aquaculturalist,biochemist, biotechnologist, botanist, dietitian, ecologist, ethologist, forester, geneticist, horticulturist, microbiologist, mycologist, neurobiologist, optometrist,pediatrician, physiotherapist, surgeon, toxicologist, veterinarian, zoologist, doctor (physician), teacher, lecturer, researcher……….etc.
  • 16. OPSS….don’t forget your exercise!!! EXERCISE 1.1