Scheme of work for Second Term SS1 basic ecological concept

  • Definition And types of ecology
  • Ecological concepts: Environment, biosphere, lithosphere, hydrosphere, habitat, niche, population, biome, etc
  • Components of an ecosystem: Abiotic and Biotic
  • Biomes local biotic communities (Tropical rainforest, southern guinea, northern guinea, savannah, Sahel savanah, Desert, shrub, afro-apine, swam, tundra etc

ECOLOGICAL MANAGEMENT

  • Types of association (Symbiosis, parasitism, predation, commensalism, neutralism etc)
  • Features possessed by organism of an association

TOLERANCE

  • Definition
  • Concepts of minimum and maximum range of tolerance
  • Geographic range

ADAPTATION

  • Definition
  • Adaptation in form and function of living organisms due to environmental condition.
  • Effects of availability of water on adaptive modification
  • Structural adaptation (fish, tadpole, toad, lizard, snail, crab, prawn, birds)

POLLUTION

  • Definition of pollution and pollutants
  • Types of pollution (Air, water, soil, etc)
  • Sources, causes and effects of different types of pollution
  • Control of different types of pollution

CONSERVATION FO NATURAL RESOURCES

  • Definition
  • Natural resources that need to be conserved – renewals and non-renewable resources.
  • Reasons for conservation
  • Ways of ensuring conservation of natural resources
  • Benefits of conservation of natural resources.
  • Problems associated with conservation of natural resources

REPRODUCTION

  • Meaning and types of reproduction
  • Forms of asexual reproduction (fission, budding, spore formation, vegetative propagation, natural and artificial.
  • Sexual reproduction (conjugation fusion of male and female gametes, meiosis)
  • Reproduction in unicellular organisms and invertebrates
  • Reproduction in Amoeba (Binary and multiple fission)
  • Reproduction in Paramecium (sexual and asexual)
  • Reproduction in Spirogyra (sexual and asexual)
  • Reproduction in earthworm (sexual)
  • Reproduction in cockroach (internal fertilization)
  • Reproduction in housefly (internal fertilization)
  • Reproduction in snail (internal fertilization
  • Revision
  • Examination