Biology 4to esquema de contenidos nodales - dic 2013 -

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Biology 4to esquema de contenidos nodales - dic 2013 -

  1. 1. Colegio Las Cumbres Nivel Medio - secundaria@lascumbres.edu.ar Esquema de Contenidos para el Período de Orientación, evaluación y promoción- cierre Diciembre 2013 ASIGNATURA: CURSO: PROFESOR/A: Biology Senior 4 Ma. Magdalena Ravagnan Contenido Nodal and Flowering plants - Genetics : Mitosis and meiosis. Chromosomes. Patterns of heredity. Determination of sex. Hereditary diseases: sickle cell anaemia, cystic fibrosis. Variation:continuous and discontinuous. Mutation. Plant structure and function - Photosynthesis and nutrition in plants: gaseous exchange - Transport in plants: transport of water (transpiration) and food (translocation). - Reproduction in plants: a- Sexual: flower structure. Wind and insect -pollinated flowers. Fertilization and fruit formation. Dispersal of fruits and seeds (wind and animal). Seed structure. Germination. b- Asexual: bulbs (onion) and tubers (potato) - Coordination in plants: growth (auxins) and tropisms 2° Trimestre The continuity of life - Excretion and the kidneys. Osmorregulation -Nervous system: neurons, arc réflex, antagonis muscles. neuronas. The eye: structures and functions -Endocrine system: hormones. The pancreas. Adrenal glands. Feedback - Homeostasis: definition. - The skin and temperature control. - Drugs: definition. Depressants and stimulants Antibiotics. Effects of heroin, alcohol and tobacco. - Sexual y asexual reproduction. -Male reproductive system: structures and functions -Female reproductive system: structure. Menstrual cycle. Fertilisation. Implantation. Placenta. Birth labour. Parental care. -Sexual hormones: Testosterone, progesterone and oestrogen. Secondary sexual characteristics. - Family planning. Birth control. - Sexual transmitted diseases: AIDS, gonorrhoea: Causes. Symptoms and sigs. Effects. Treatment and control. 1° Trimestre Human physiology Sub-temas incluidos en el contenido nodal
  2. 2. 3° Trimestre Organisms and their environment Food chains and food webs: pyramids of numbers and biomass. RecyclingEnergy flow in an ecosystem. - Carbon and water cycles. - Human impact on the environment: - Water pollution: eutrophication. Sewage. - Air pollution: The greenhouse effect. Acid rain. - Agriculture: fertilizers and pesticides. Soil erosion. - Deforestation - Populations: population growth. Limits. Human population. - Conservation: extinction. Conservation of species, genes, habitats and non-renewable resources.

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