Biology: Adaptation Overview
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Questions and Answers

What is the primary purpose of adaptation in living organisms?

  • To form symbiotic relationships
  • To make changes to fit new situations (correct)
  • To grow larger in size
  • To increase reproduction rates
  • What happens to chlorophyll in plants during the autumn season?

  • It breaks down, resulting in leaves changing color (correct)
  • It disappears, leading to leaf growth
  • It increases in concentration, making leaves greener
  • It remains the same, causing leaves to stay green
  • Which behavior do animals exhibit during winter to cope with food scarcity?

  • Photosynthesis
  • Hibernation (correct)
  • Estivation
  • Dormancy
  • What characteristic changes in animals when they hibernate?

    <p>Their heart and breathing rates decrease</p> Signup and view all the answers

    What is migration in animals primarily related to?

    <p>Searching for food and warmer environments</p> Signup and view all the answers

    Study Notes

    Adaptation: Overview

    • Adaptation involves changes to acclimate to new environments or situations.

    Human Adaptation

    • During winter, humans wear heavier clothing to maintain body warmth.

    Plant Adaptation

    • Chlorophyll, the green pigment in leaves, is essential for photosynthesis (food production).
    • In autumn, shorter days and reduced sunlight lead to the breakdown of chlorophyll, causing leaves to change color (yellow, red, brown) and eventually fall off.
    • During winter, the lack of chlorophyll results in dormancy, where plants become inactive.
    • Plants re-emerge from dormancy in spring and summer, becoming active again.

    Animal Adaptation

    • Animals face food scarcity in winter and adapt through two primary strategies:
      • Hibernation: Long-term state of reduced metabolic activity characterized by slow heart rate and breathing. Example species include bears and mice.
      • Migration: Movement of large animals to different locations to access food or warmer climates during colder months.

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    Description

    Explore the fascinating concepts of adaptation in various life forms. This quiz covers human adaptations, plant changes through seasons, and animal strategies like hibernation and migration. Test your knowledge on how organisms acclimate to their environments!

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