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CXC A1-A14 Living Organisms and the Environment (A1-14)

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CXC A1-A14 Living Organisms and the Environment (A1-14) A1. Describe characteristics of living organisms- Nutrition- Respiration- Excretion- A1. Describe the characteristics of living organi... sms A1. Describe the characteristics of living organisms- Growth- Irritability- Movement- Reproduction- A1- What is the difference between egestion and elimination? A2. Basic structure of virus (non-living) A2 Basic structure of bacteria cell A2 Basic structure of fungi cell- yeast A3. State the function of each: -Cell wall -Cell membrane -Nucleus -Ribosomes -Cytoplasm A3. State the function of each: -Mitochondria -Vacuoles -Chloroplasts -Endoplasmic reticulum A5. Explain the importance of cell specialization in humans A5. Because of cell specialization-> tissues--> organs--> organ systems--> organism. (Give an example of this progression) A6. What is the difference between active and passive transport? A6. Distinguish between osmosis and diffusion. A7. Recall a simple demonstration of diffusion that we did in class. A7. Recall a simple demonstration of osmosis that we did in class. A8. Fill in the blanks of this photosynthesis equation (words and chemical formulas) ____________ + ________________ ----> _______________ + _________________ A8. Explain the process of photosynthesis. A8. What is the site of photosynthesis in a leaf? A8. What are the two products of photosynthesis? What is their fate? A9. What is the effect of light and chlorophyll on the production of starch? A9. Starch test on variegated and non-variegated leaves A10. Explain the ways in which other living organisms depend on plants directly or indirectly for food A11. Define a food chain and the trophic level. A11. Define and give example of each term: -herbivore -omnivore -carnivore -producer -consumer (primary and secondary) A11. Name and identify organisms feeding each trophic level. A11. Explain the reduction of available energy at each trophic level. A11. Describe the utilization of energy at each trophic level. A11. The effect of bioaccumulation on human health. A11. Pyramid of biomass- what is shown? A11. Pyramid of numbers- what is shown? A12. Terrestrial Food Chain A13. Identify the trophic level of organisms in the food chain A13 vi. Describe the formation of fossil fuels from the remains of dead organisms. A14. Describe the death and decay (due to bacterial and fungal activities) of organisms to release carbon dioxide. A14. Describe the release of carbon dioxide when fossil fuels are burnt. A14. Discuss the impact of global warming on the well-being of humans. A14. Describe the recycling of carbon A14. What is the importance of CO2 in photosynthesis? A14. Describe the transportation of carbon from carbon dioxide to carbohydrates in photosynthesis. A14. Describe the release of carbon dioxide during combustion, respiration and decomposition and its contribution to the greenhouse effects. A4.Epithelial cell is specialized for what? A4. Sperm cell - specialized for ? A4. Egg- specialized for? A4. Nerve cells specialized for? A4. Muscle cells specialized for? A4. Connective tissue specialized for? [Show More]

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