Podcast
Questions and Answers
What is the primary reason animals hibernate during winter?
What is the primary reason animals hibernate during winter?
What change occurs to leaves during the autumn season?
What change occurs to leaves during the autumn season?
Which of the following is NOT an adaptation that plants undergo during winter?
Which of the following is NOT an adaptation that plants undergo during winter?
What is the primary purpose of migration in animals?
What is the primary purpose of migration in animals?
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Which example is a form of animal adaptation to winter?
Which example is a form of animal adaptation to winter?
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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 humans, plants, and animals. Learn how different species change their behaviors, characteristics, and physical traits to survive in varying environments, especially during winter. This quiz covers hibernation, migration, and the seasonal changes in plants.
