Ecology Lecture 1
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Questions and Answers

What is the main culprit for global warming?

  • Deforestation
  • Forest fires
  • Volcanic eruptions
  • Fossil fuels (correct)
  • What are the natural carbon sinks?

  • Oceans and forests (correct)
  • Grasslands and volcanoes
  • Tilling for crops and deforestation
  • Energy use and transport
  • How is water transported within plants?

  • Via the roots
  • Via the leaves
  • Via the phloem
  • Via the xylem (correct)
  • What leads to changes in plant/animal behavior and increased wildfire frequency?

    <p>Climate change</p> Signup and view all the answers

    What does the term 'population' refer to in ecology?

    <p>All the individuals of the same species living in the same area</p> Signup and view all the answers

    Which of the following is an abiotic factor in an ecosystem?

    <p>Sunlight</p> Signup and view all the answers

    What distinguishes climate from weather in ecology?

    <p>Climate is long term/broad scale conditions, while weather is short term/small scale conditions</p> Signup and view all the answers

    What do global cycles in ecology involve?

    <p>The cycling of atoms and molecules between biotic and abiotic forms on various scales</p> Signup and view all the answers

    What are the main contributors to the increasing temperature on Earth?

    <p>Fossil fuels</p> Signup and view all the answers

    What is the process through which water absorbed by plant roots is transported up the plant and evaporates through pores in the leaves?

    <p>Transpiration</p> Signup and view all the answers

    What are the natural carbon sinks mentioned in the text?

    <p>Forests</p> Signup and view all the answers

    Which level of ecological research includes all the populations of a given area?

    <p>Community</p> Signup and view all the answers

    What do abiotic factors in an ecosystem refer to?

    <p>Non-living, inorganic components</p> Signup and view all the answers

    What determines the type of ecosystem, whether it's desert, tropical, temperate, boreal, or polar?

    <p>Climate</p> Signup and view all the answers

    What does the study of ecology involve in terms of data collection and analysis?

    <p>Both biotic and abiotic factors</p> Signup and view all the answers

    Study Notes

    Global Warming and Climate

    • The main culprit for global warming is the increasing levels of carbon dioxide and other greenhouse gases in the atmosphere.
    • The main contributors to the increasing temperature on Earth are the increasing levels of carbon dioxide and other greenhouse gases in the atmosphere.

    Carbon Sinks

    • Natural carbon sinks include oceans, forests, and soil.

    Plant Biology

    • Water is transported within plants through the process of transpiration, in which water absorbed by plant roots is transported up the plant and evaporates through pores in the leaves.

    Ecology

    • A population in ecology refers to a group of individuals of the same species that live in a specific geographic area.
    • The level of ecological research that includes all the populations of a given area is known as a community.
    • Abiotic factors in an ecosystem refer to non-living components, such as temperature, water, sunlight, and soil.
    • The type of ecosystem, whether it's desert, tropical, temperate, boreal, or polar, is determined by the climate of the region.
    • The study of ecology involves collecting and analyzing data on the relationships between organisms and their environment.

    Climate and Weather

    • Climate refers to long-term average atmospheric conditions in a particular region, while weather refers to short-term atmospheric conditions.

    Global Cycles

    • Global cycles in ecology involve the movement of nutrients, water, and other resources within and between ecosystems.

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    Description

    Test your knowledge of ecology with this quiz covering data collection, statistics, modeling, and levels of ecological research. Explore the definitions of organism, population, community, ecosystem, and biosphere.

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