Biodiversity Observation Quiz
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Questions and Answers

Why is biodiversity important in providing food?

  • It supports the existence of supermarkets.
  • It helps in cleaning the water.
  • It helps in the production of medicines.
  • It offers a variety of animals and plants for consumption. (correct)
  • What is one of the threats to biodiversity mentioned in the text?

  • Human population growth (correct)
  • Enhanced biodiversity conservation efforts
  • Increased scientific research
  • Reduced land usage
  • How many different species have scientists found and named so far?

  • 3 to 30 million
  • 100,000
  • 1.7 million (correct)
  • Unknown
  • What does the text suggest contributes to the exhaustion of land or sea?

    <p>Human overuse of resources</p> Signup and view all the answers

    What is one way biodiversity helps to service the Earth according to the text?

    <p>By cleaning water in wetland areas</p> Signup and view all the answers

    What does biodiversity refer to?

    <p>The variety of living things in an ecosystem</p> Signup and view all the answers

    How does biodiversity make the world beautiful and interesting according to the text?

    <p>By offering a plethora of species and landscapes</p> Signup and view all the answers

    'Biodiversity' is important for ________.

    <p>Supplying oxygen for breathing</p> Signup and view all the answers

    Which activity contributes to biodiversity loss as per the text?

    <p>Overusing land or sea resources.</p> Signup and view all the answers

    What does the text suggest about the total number of species on Earth?

    <p>The estimated range is between 3 and 30 million species.</p> Signup and view all the answers

    Study Notes

    Biodiversity: The Concept

    • Take a walk in the countryside and observe the variety of living things in a small area to appreciate biodiversity.

    Biodiversity: The Facts

    • There are an estimated 1.7 million identified species, but scientists believe there are between 3 and 30 million species in total.
    • Nobody knows the exact number of species in the world.

    Importance of Biodiversity

    • Provides variety of food in supermarkets through agriculture and animal husbandry.
    • Serves as a basis for medical research, with most medicines developed from plant and animal biology.
    • Helps maintain ecological balance and services the Earth.
    • Wetland areas clean water, and plants produce oxygen for humans to breathe.
    • Adds beauty and interest to the world.

    Threats to Biodiversity

    • Increasing human population leads to increased land and resource use.
    • Construction and development destroy habitats, leading to loss of areas for plants, insects, birds, and animals to live and feed.
    • Overuse of land and sea exhausts their resources.

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    Description

    This quiz challenges you to observe the biodiversity of a small area in the countryside by counting plants, insects, and other living things. It prompts you to reflect on the variety of species present in nature within a limited space.

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