07: Man and His Environment

  • Define ecosystem.

    Define ecosystem.

    An ecosystem is a community of living organisms (plants, animals, microorganisms) interacting with each other and their physical environment (air,…

  • What is a habitat?

    What is a habitat?

    A habitat is the natural environment where an organism lives, grows, and thrives. It provides the necessary conditions such as…

  • Explain the term ‘biodiversity’.

    Explain the term ‘biodiversity’.

    Biodiversity refers to the variety and variability of life forms on Earth, including the diversity of species, ecosystems, and genetic…

  • What is pollution?

    What is pollution?

    Pollution is the introduction of harmful substances or contaminants into the environment that negatively impact living organisms and natural resources,…

  • 07: Define conservation.

    07: Define conservation.

    Conservation is the responsible management and protection of natural resources and the environment to ensure sustainability and prevent degradation or…

  • What is deforestation?

    What is deforestation?

    Deforestation is the large-scale clearing or removal of forests, often for agricultural expansion or urban development, which leads to loss…

  • Explain the term ‘global warming’.

    Explain the term ‘global warming’.

    Global warming refers to the long-term increase in Earth’s average surface temperature due to human activities, particularly the burning of…

  • What is the greenhouse effect?

    What is the greenhouse effect?

    The greenhouse effect is the process by which certain gases in Earth’s atmosphere (such as carbon dioxide, methane, and water…

  • Define ozone layer depletion.

    Define ozone layer depletion.

    Ozone layer depletion refers to the thinning of the Earth’s ozone layer due to the release of chemicals like chlorofluorocarbons…

  • What is sustainable development?

    What is sustainable development?

    Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet…