Terrestrial Biomes and Climate Patterns
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Questions and Answers

What is the point at which the curves of immigration and extinction rates intersect?

  • The point of minimum biotic diversity
  • The point of maximum extinction
  • The point of maximum biotic diversity
  • The equilibrium point (correct)

    • What is the effect of increasing distance of an island from its source of colonists?

  • It has no effect on the biotic diversity
  • It decreases the rate of extinction
  • It increases the rate of immigration
  • It lowers the rate of immigration (correct)

    • What is the consequence of increasing the area of an island?

  • It increases the rate of extinction
  • It lowers the rate of extinction (correct)
  • It decreases the rate of immigration
  • It has no effect on the biotic diversity

    • What is the relationship between the rate of change of species and the equilibrium point?

    <p>The rate of change is lowest at the equilibrium point</p> Signup and view all the answers

    What is the number of species present on an island at the equilibrium point?

    <p>The number indicated by the vertical line</p> Signup and view all the answers

    What is the purpose of the curves of immigration and extinction rates?

    <p>To determine the equilibrium point of biotic diversity</p> Signup and view all the answers

    What is the main factor that affects the climate with respect to latitude?

    <p>Uneven distribution of solar energy</p> Signup and view all the answers

    What is the characteristic of the Inter-Tropical Convergence Zone (ITCZ)?

    <p>A band of clouds with showers and thunderstorms</p> Signup and view all the answers

    What is the result of the air being heated over the equator?

    <p>It rises and creates a low pressure zone</p> Signup and view all the answers

    What is the purpose of a climatic diagram?

    <p>To display the temperature and precipitation patterns</p> Signup and view all the answers

    What is the effect of the seasonality of drought on the biome type?

    <p>It affects the biome type along with other factors</p> Signup and view all the answers

    What is the significance of the Tropic of Cancer and Capricorn?

    <p>They mark the limits beyond which the sun is never directly overhead</p> Signup and view all the answers

    What type of flora dominated the Cool temperate regions during the Mesozoic?

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

    What was the percentage of all life that became extinct after a massive die-off in the Mesozoic?

    <p>95%</p> Signup and view all the answers

    What was the approximate temperature on Earth during the Cretaceous period compared to today?

    <p>10°C higher</p> Signup and view all the answers

    What event caused the extinction of about 75% of the diversity of Earth's life?

    <p>K-Pg Extinction</p> Signup and view all the answers

    What was the diameter of the crater formed by the meteorite that struck Earth 66 million years ago?

    <p>170 km</p> Signup and view all the answers

    What was the effect of the meteorite strike on the Earth's flora?

    <p>The changes were limited and largely temporary</p> Signup and view all the answers

    What is the primary characteristic of angiosperm seeds?

    <p>They are completely enveloped by the ovary</p> Signup and view all the answers

    During which geological period did ice periodically cover many parts of the Earth's surface?

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

    What is the term for unsorted glacial sediment?

    <p>Glacial till</p> Signup and view all the answers

    What is the shape of a valley formed by glacial erosion?

    <p>U-shaped</p> Signup and view all the answers

    What is the term for a plant that produces cones and has seeds that lack an outer coat?

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

    What is the name of the current geological epoch that is characterized by a lack of glaciers?

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

    What was the result of the melting of the ice caps on the Earth's crust?

    <p>An isostatic upwarping of the land surface</p> Signup and view all the answers

    What is the term for the change in sea level due to the melting of ice?

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

    What prevented the colonization of new habitats by species after the glacier retreat?

    <p>The rise of sea level</p> Signup and view all the answers

    Which species of shrew was able to reach Ireland?

    <p>Pygmy shrew (Sorex minutus)</p> Signup and view all the answers

    What is the term for the rebound of the mantle and lithosphere after the melting of a glacier?

    <p>Isostatic rebound</p> Signup and view all the answers

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