Biology Form 3 Notes - Easy Elimu

Biology Notes Form 3 (4)

This category contains Biology form 3 notes as aggregated from the various high school approved text books, including KLB,etc. It covers the entire Biology form 3 syllabus, for the preparation of national and local exams.

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CLASSIFICATION 2 - Form 3 Biology Notes

General Principles of Classification | Binomial Nomenclature | General Characteristics of Kingdoms | Kingdom Plantae | Kingdom Animalia | Construction and Use of Dichotomous Keys |Practical Activities General Principles of Classification | Binomial Nomenclature | General | Characteristics of Kingdoms | Kingdom Monera | Kingdom Protoctista | Kingdom Fungi | Kingdom Plantae | Division Bryophyta | Division Pteridophyta | Division Spermatophyta | Kingdom Animalia | Phylum Arthropoda | Phylum Chordata | Construction and Use of Dichotomous Keys | Rules Used to Construct a Dichotomous Key | Some Common Features Used for Identification | Practical Activities | To Examine Bryophyta | To Examine Pteridophyta | To Examine Spermatophyta | Examination of Arthropoda | Examination of Chordata |

ECOLOGY - Form 3 Biology Notes

Concepts and Terms Used in Ecology | Habitat | Niche | Population | Factors in an Ecosystem | Inter-relationships Between Organisms | Energy Flow in an Ecosystem | Population Estimation Methods | Adaptations of Plants to Various Habitats | Pollution | Human | Practical Activities Introduction Concepts and Terms Used in Ecology | Habitat | Niche | Population | Dispersion | Community | The Ecosystem | Biomass | Carrying Capacity | Factors in an Ecosystem | Abiotic Factors (Environmental Factors) | Biotic Factors | Inter-relationships Between Organisms | Producers: | Consumers |Competition | Predation | Saprophytism | Parasitism | Symbiosis | Nitrogen Cycle | Energy Flow in an Ecosystem | Food Chains | Food Web | Decomposers | Pyramid of Numbers | Pyramid of Biomass | Population Estimation Methods | Quadrat Method | Line Transect | Belt Transect | Capture-recapture Method | Adaptations of Plants to Various Habitats | Xerophytes | Mesophytes | Hydrophytes (Water Plants) | Halophytes (Salt Plants) | Pollution | Effects and Control of causes of Pollutants in Air, Water and Soil | Human Diseases | Bacterial Diseases | Protozoa Diseases | Parasitic Diseases | Practical Activities | Adaptions to Habitat Comparison of Root Nodules from Fertile and Poor Soils - Root Nodules |Estimation of Population using Sampling Methods |

REPRODUCTION IN PLANTS AND ANIMALS - Form 3 Biology Notes

Cell Division | Asexual Reproduction | Sexual Reproduction in Plants | Reproduction in Animals | Reproduction in Humans | Sexually Transmitted Infections (STl) | Advantages of Asexual Reproduction | Practical Activities | Introduction | Cell Division |Mitosis | Meiosis |Asexual Reproduction | Types of Asexual Reproduction.| Sexual Reproduction in Plants | Structure of a Flower | Pollination | Fertilisation in Plants | Fruit Formation | Placentation | Methods of Fruit and Seed Dispersal | Reproduction in Animals | Reproduction in Humans Fertilisation in Animals | Implantation | Role of Placenta |Gestation Period | Reproductive Hormones | Secondary | Sexual Characteristics | Menstrual Cycle | Sexually Transmitted Infections (STl) |Advantages of Asexual | Reproduction | Disadvantages of Asexual Reproduction | Advantages of Sexual Reproduction | Disadvantages of Sexual Reproduction | Practical Activities |

GROWTH AND DEVELOPMENT - Form 3 Biology Notes

Concept of Growth and Development | Measurement of Growth | Lag Phase | Exponential Phase | Decelerating Phase | Plateau Phase | Growth and Development in Plants | Growth and Development in Animals | Growth and Development in Insects | Measurement of Growth Concept of Growth and Development | Measurement of Growth | Lag Phase (slow growth) | Exponential Phase (log phase) | Decelerating Phase | Plateau Phase | Growth and Development in Plants |Structure of the Seed |Dormancy in Seeds |Seed Germination |Primary and Secondary Growth | Role of Growth Hormones in Plants | Apical Dominance| Growth and Development in Animals |Growth and Development in Insects |Role of Hormones in Insect | Metamorphosis