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