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BIOLOGY FORM 4. ~PuT3R!~ B.Sc.Ed. (Hons). CONTENTS. CHAPTER 1 : Introduction to Biology CHAPTER 2 : Cell Structure and Cell Organisation CHAPTER 3 : Movement of Substances Across the Plasma Membrane

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Biology form 4

BIOLOGY FORM 4

~PuT3R!~

B.Sc.Ed. (Hons)


Contents
CONTENTS

  • CHAPTER 1 : Introduction to Biology

  • CHAPTER 2 : Cell Structure and Cell

    Organisation

  • CHAPTER 3 : Movement of Substances Across

    the Plasma Membrane

  • CHAPTER 4 : Chemical Composition of the cell

  • CHAPTER 5 : Cell Division

  • CHAPTER 6 : Nutrition

  • CHAPTER 7 : Respiration

  • CHAPTER 8 : Dynamic Ecosystem

  • CHAPTER 9 : Endanger Ecosystem


Chapter 1 introduction to biology
CHAPTER 1 : Introduction to Biology

  • The word “Biology” comes from Greek words, ‘Bios’ meaning ‘Life’ and ‘Logos’ meaning ‘Knowledge’.

  • Biology is the study of every aspect of life at a every level of its organisation

  • Biologyis the scientific study of life


Biology form 4

Importance of Biology.

  • Biology has enable us to understand heredity and the inheritance of genetic abnormalities that cause dieses.

  • Many people use biology in their leisure activities, for example, gardening, fishing and cooking.

  • Biology teaching us to empathise with living things and this generates awareness of ourselves as biological organisms.


Biology form 4

  • The fields of study in biology can also be classified according to their scope as follows:

  • Structure and Function Anatomy, Biochemistry, Cytology, Histology, morphology, physiology

  • Major groupings of organisms Bacteriology, Botany, Entomology, ichthyology, microbiology, Mycology, Ornithology, Taxonomy, Virology

  • Development of organisms

    Embryology, Evolutionary Biology, Genetic, Developmental Biology

  • Organisms and their environment

    Ecology, Ethology, Biogeography

  • Applied Biology

    Agriculture, Biotechnology, fisheries, Forestry, Medicine, veterinary medicine, density


Ways of studying biology
Ways of studying Biology according to their scope as follows:

The Scientific Method

  • The scientific method involves a series of ordered steps:

  • Make an observation

  • State the problem

  • Form of hypothesis

  • Identify the variables

  • Design and perform an experiment

  • Record and analyse data

  • State the conclusion