Section: Module 12: Organisms in Their Natural Environment | Eswatini Grade 9 Science | NJCTL

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Module 12: Organisms in Their Natural Environment

  • Module 12: Organisms in Their Natural Environment


    In this module we will learn about organisms in their natural environment. 



    This module examines the topic of the mole. Be sure to complete the short answer assignment, the lab, the Mastery Exercises, and the module exam. Watch the videos and complete the practice problems to facilitate your learning. 

    Short Answer Assignment responses should be at least 200-300 words and referenced. Refer to the Required/Recommended reading materials or provide an additional reference to an article of your choice.

     

     

    1. State that the sun is the principal source of energy to all living systems.
    2. Define food chains as simple feeding relationships between living organisms in a given habitat through which energy is passed from one organism to the other.
    3. Construct simple food chains and describe energy flow in a food chain.
    4. Define ecology as the study of relationship of organisms with each other and their environment.
    5. Define ecosystem as different organisms living together in a given environment and depending on each other, giving local examples.
    6. Describe, giving local examples, the terms: producer, primary consumer, secondary consumer.
    7. State the human activities which bring about water pollution (fertilizers and industrial/household waste), land pollution ( non-biodegradable waste), and air pollution(smoke, motor car exhaust fumes, and dust from industries, pesticides and herbicides).
    8. State the effects of water, land and air pollution (including global warming).
    9. Define conservation as maintenance and protection of a habitat or species.

    There are no required readings.