Biology Notes Form 3

Biology Notes Form 3

Biology Notes Form 3


Biology Notes Form 3 – Form Three Biology

By the end of form three work, the learner should be able to:

 

  • Classify common organisms into their main taxonomic units
  • Write scientific names of organisms correctly
  • List the kingdoms of organisms
  • Describe the general characteristics of Kingdom monera
  • Describe the general characteristics of Kingdom protoctista
  • Observe, draw and name parts of spirogyra, amoeba, paramecium and euglena
  • Describe the general characteristics of Kingdom fungi
  • List down all the members of kingdom fungi
  • Draw and name parts of bread mold (mucor), yeast and mushrooms
  • Describe the main characteristics of kingdom plantae
  • Describe the main characteristics of bryophyta
  • Identify examples of hyophyta
  • Observe draw and name parts of liverworts and moss plants
  • Identify examples of pleridophyta
  • Observe draw and name parts of fern plant
  • Identify examples of division spermatophyta
  • Identify major sub-division of spermatophyta
  • List main characteristics of angiospermae
  • Differentiate between angiospermae and gymnospermae
  • State the characteristics of angiospermapyta
  • Identify and state major characteristics of classes of angiospermapytaegdicotyledonae&monocotyledonoe
  • describe the general characteristics of kingdom animalia
  • describe the general characteristics of Phylum arthropoda
  • list down the classes of the Phylum arthropoda
  • describe the general characteristics of Class crustacean
  • describe the general characteristics of Class insect
  • describe the general characteristics of Class arachnida
  • list down the members of class arachnida and insect
  • Describe the general characteristics of Classeschilopoda and diplopoda
  • List down the members of class chilopoda and diplopoda
  • Describe the general characteristics of Phylum chordate
  • describe the general characteristics of Pisces and amphibian
  • describe the general characteristics of reptilian
  • describe the general characteristics of Class aves
  • Describe the general characteristics of Class Mammalia
  • Identify different types of members of Class Mammalia
  • Construct a simple dichotomous to identify given organisms
  • Use an already constructed dichotomous key to identify given organisms
  • Use an already constructed dichotomous key to identify given organisms
  • draw and label organisms correctly
  • Define the term ecology and identify terms used in ecology
  • Define the term ecology and identify terms used in ecology
  • Identify the types of ecosystems
  • State and explain how light determines distribution of organisms in an ecosystem
  • Identify and describe how temperature determines distribution of organisms in an ecosystem
  • Identify and describe how Rainfall and humidity determines distribution of organisms in an ecosystem
  • describe how Wind and atmospheric pressure determines distribution of organisms in an ecosystem
  • Write down correct answers to questions asked in the test
  • describe how salinity affects the distribution of organisms in aquatic ecosystems
  • describe how waves, currents and tides affects the distribution of organisms in aquatic ecosystem
  • Describe how Edaphic factors affects the distribution of organisms in an ecosystem
  • Measure certain factors in samples of different soils
  • Describe how Geological factors affect the distribution of organisms in an ecosystem
  • Describe how Abiotic factors affect the distribution of organisms in an ecosystem
  • Describe how competition affects the distribution of organisms in an ecosystem
  • Describe how Predation and Symbiosis affects the distribution of organisms in an ecosystem
  • Differentiate between Parasitism and saprophytism
  • Describe how Parasitism and saprophytism influence the distribution of organisms in an ecosystem e.g. Tick and cattle
  • Describe the interaction between organisms in an ecosystem
  • Describe the role of decomposers in Nitrogen cycle & carbon cycle
  • Define the terms food chain and food web
  • Construct food chains and food webs
  • Describe energy flow in a local ecosystem and Construct food chains and food webs
  • Define population
  • List down the characteristics of population
  • Explain the use of quadrants and transects as methods of Population estimation
  • Explain the capture –recapture method of population estimation
  • Use quadrant method to estimate population of named organisms within the compound
  • Describe total count, aerial count and aerial photography and other methods of population estimation
  • Relate to the adaptations of xerophytes to their habitats
  • Relate to the adaptations of mesophytes to their habitats
  • Relate to the adaptations of hydrophytes to their habitats
  • Observe, draw and label parts of named hydrophytes, mesophytes and xerophyte plants
  • Relate to the adaptations of halophytes to their habitats
  • Explain pollution and give examples of pollutants
  • Describe the various air pollutants
  • Discuss the effects of air pollution on the environment
  • Suggest methods of controlling air pollution
  • Describe various causes of Land/ soil pollution
  • Discuss the effects of Land/ soil pollution and human health in rural and urban centers
  • Suggest methods of controlling Land/ soil pollution
  • Describe the causes of Water pollution
  • Identify other causes of environmental pollution in rural and urban centers
  • Discuss the effects of water pollution on human health in rural and urban centers and other organisms
  • Suggest methods of controlling water pollution
  • Identify symptoms of cholera and typhoid fever
  • State methods of transmission
  • Suggest control measures
  • Identify the causes, symptoms and methods of transmission and control of malaria
  • Identify the causes, symptoms and methods of transmission of amoebic dysentery
  • Suggest control methods of amoebic dysentery
  • Identify the causes, symptoms and methods of transmission of ascariosis
  • Identify the causes, symptoms and methods of transmission and control of schistomiasis
  • Define reproduction and state its importance
  • Differentiate between asexual and sexual reproduction
  • Describe the appearance and location of chromosomes
  • Define mitosis
  • Describe chromosomicmovement during mitosis
  • Describe e the movement of chromosomes in mitosis
  • Identify stages of mitosis
  • Identify and describe stages of mitosis
  • State the significance of mitosis in reproduction
  • Define meiosis
  • State the stages of meiosis
  • Describe the chromosome movement during meiosis
  • Observe the stages of meiosis
  • Describe the movement of chromosomes during meiosis
  • State the significance of meiosis in reproduction
  • Differentiate between mitosis and meiosis
  • State and describe the importance of Binary fission
  • Observe spore formation in bread mould (mucor) and binary fission in paramecium
  • State and describing the importance of budding in reproduction
  • Observing drawing and budding cells of yeast
  • Describe the external structure of a typical flower
  • Describe the internal structure of a typical flower
  • Observe, describe and draw different types of pollen grains
  • Describe the structure of ovules
  • Describe other characteristics of flowers
  • Describe and compare adaptations of wind and insect pollinated flowers
  • Describe the features and mechanisms that hinder self-pollination and self-fertilization
  • Describe the process of fertilization in flowering plants
  • Describe and explain how embryo and seeds are formed in flowering plants
  • Describe how fruits are formed in flowering plants
  • Differentiate between a fruit and a seed
  • Describe and explain how different seeds and fruits are dispersed
  • Classifying various types of fruits and describe their placentation
  • Differentiate between internal and external fertilization
  • Describe external fertilization in amphibians
  • Relate the structure of mammalian male reproductive system to its functions
  • Relate the structure of mammalian male reproductive organ and spermatozoa to its function
  • Relate the structure of mammalian female reproductive system to its function
  • Relate the structure of mammalian ovum to its function
  • Describe internal fertilization in mammals
  • Describe the fertilization process
  • Describe implantation and the role of the placenta in mammals
  • Define gestation in mammals
  • Identify different gestation periods in different mammals
  • Describe birth and explain parental care
  • Describe the role of hormones in reproduction of humans
  • Describe the role of hormones in the menstrual cycle
  • Identify symptoms and explain the methods of transmission and prevention of gonorrhea and herpes simplex
  • Identify symptoms and explain the methods of transmission and prevention of syphilis and trichomoniasis
  • Identify symptoms and explain the methods of transmission and prevention of candidiasis and hepatitis
  • Identify the causes and modes of transmission of HIV/AIDS and prevention of HIV and AIDS
  • Identify effects of HIV/AIDS in human economy
  • Identify the symptoms of HIV/AIDS and stages of HIV and AIDS
  • Explain ways of preventing and controlling the spread of HIV/AIDS
  • Discuss the social effects of HIV/AIDS
  • Explain the advantages and disadvantages of sexual and asexual reproduction
  • Define the terms growth and development
  • Describe the sigmoid growth curve
  • Describe the phases of sigmoid curve
  • Describe the intermittent growth curve
  • Analyze data on growth rate
  • Draw growth curves
  • Define seed dormancy
  • Identify factors affecting viability and dormancy of seeds
  • Identify factors affecting seed dormancy
  • Define seed germination
  • Differentiate between types of seed germination
  • Identifying Conditions necessary for germination – oxygen
  • Investigate the necessity of water and warmth
  • Describe the region of growth in seedlings
  • Identify the regions of growth
  • Determine the regions of growth in seedlings
  • Measure the aspect of growth in a given seedling
  • Describe growth in plants I.e. Primary and secondary growths
  • investigate primary and secondary growth in a seedling
  • Explain the role of hormones in regulation of growth and development in plants
  • Explain Apical dominance in plants
  • Define metamorphosis
  • Distinguish between complete and incomplete metamorphosis
  • Describe complete metamorphosis in housefly and anopheles mosquito
  • Describe incomplete metamorphosis in a cockroach
  • Describe and explain the Role of growth hormones in metamorphosis in insects
  • Observe metamorphosis in some insects

2024 FORM 1 2 3 4 REVISION RESOURCES

  1. FORM 1 2 3 4 TERM 1 2 3 OPENER , MID AND END TERM EXAMS
  2. 1995-2024 KCSE KNEC PAPERS QUESTIONS,ANSWERS AND REPORT
  3. 2008-2024 KCSE FORM 4 COUNTY MOCKS
  4. FORM 1 2 3 4 SCHEMES OF WORK
  5. FORM 1 2 3 4 LESSON PLANS
  6. FORM 1 2 3 4 CLASS REVISION NOTES
  7. FORM 1 2 3 4 TERM 1 2 3 HOLIDAY ASSISNMENTS
  8. FORM 3 4 SETBOOKS STUDY GUIDES
  9. FORM 1 2 3 4 TOPICAL TESTS
  10. FORM 1 2 3 4 REVISION BOOKLETS
  11. LIFE SKILLS NOTES
  12. FORM 1 2 3 4 SYLLABUS
  13. KENYA SCHOOL CODES
  14. HOW TO REVISE AND PASS EXAMS
  15. GUIDANCE AND CONSELLING NOTES